diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c52ed1a..868367b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby }}
       - name: Cache vendor/bundle-${{ matrix.gemfile }} for MRI ${{ matrix.ruby }}
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: vendor/bundle-${{ matrix.gemfile }}
           key: ${{ runner.os }}-mri-${{ matrix.ruby }}-bundle-${{ matrix.gemfile }}-${{ hashFiles(format('Gemfile-{0}', matrix.gemfile)) }}
diff --git a/Gemfile-jekyll3 b/Gemfile-jekyll3
index a86dae2..2a82b44 100644
--- a/Gemfile-jekyll3
+++ b/Gemfile-jekyll3
@@ -4,4 +4,6 @@ instance_eval(File.read(File.expand_path('Gemfile-common', File.dirname(__FILE__
 
 group :development do
   gem 'jekyll', '~> 3.0'
+  gem 'base64', '~> 0.2'
+  gem 'csv', '~> 3.3'
 end
diff --git a/Gemfile-jekyll3.lock b/Gemfile-jekyll3.lock
index 605f161..bdeb8c2 100644
--- a/Gemfile-jekyll3.lock
+++ b/Gemfile-jekyll3.lock
@@ -9,10 +9,12 @@ GEM
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
+    base64 (0.2.0)
     benchmark-ips (2.13.0)
     coderay (1.1.3)
     colorator (1.1.0)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
+    csv (3.3.0)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -20,9 +22,9 @@ GEM
     ffi (1.16.3)
     forwardable-extended (2.6.0)
     http_parser.rb (0.8.0)
-    i18n (1.14.1)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.9.4)
+    jekyll (3.9.5)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -39,23 +41,23 @@ GEM
       sass (~> 3.4)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.7.1)
+    json (2.7.2)
     kramdown (2.4.0)
       rexml
     language_server-protocol (3.17.0.3)
     liquid (4.0.4)
-    listen (3.8.0)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    method_source (1.0.0)
-    minitest (5.20.0)
-    nokogiri (1.16.0-arm64-darwin)
+    method_source (1.1.0)
+    minitest (5.23.1)
+    nokogiri (1.16.5-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.0-x86_64-linux)
+    nokogiri (1.16.5-x86_64-linux)
       racc (~> 1.4)
     parallel (1.24.0)
-    parser (3.3.0.2)
+    parser (3.3.1.0)
       ast (~> 2.4.1)
       racc
     pathutil (0.16.2)
@@ -63,32 +65,33 @@ GEM
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (5.0.4)
-    racc (1.7.3)
+    public_suffix (5.0.5)
+    racc (1.8.0)
     rainbow (3.1.1)
-    rake (13.1.0)
+    rake (13.2.1)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    regexp_parser (2.9.0)
-    rexml (3.2.6)
+    regexp_parser (2.9.2)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (3.30.0)
-    rubocop (1.59.0)
+    rubocop (1.64.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.4)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.30.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.30.0)
-      parser (>= 3.2.1.0)
-    rubocop-minitest (0.34.3)
-      rubocop (>= 1.39, < 2.0)
-      rubocop-ast (>= 1.30.0, < 2.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
+    rubocop-minitest (0.35.0)
+      rubocop (>= 1.61, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
     ruby-progressbar (1.13.0)
@@ -98,6 +101,7 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
+    strscan (3.1.0)
     unicode-display_width (2.5.0)
 
 PLATFORMS
@@ -106,7 +110,9 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  base64 (~> 0.2)
   benchmark-ips (~> 2.7)
+  csv (~> 3.3)
   jekyll (~> 3.0)
   jekyll-minibundle!
   minitest (~> 5.8)
diff --git a/Gemfile-jekyll4 b/Gemfile-jekyll4
index 1c3a87c..db3ab8b 100644
--- a/Gemfile-jekyll4
+++ b/Gemfile-jekyll4
@@ -4,4 +4,6 @@ instance_eval(File.read(File.expand_path('Gemfile-common', File.dirname(__FILE__
 
 group :development do
   gem 'jekyll', '~> 4.0'
+  gem 'base64', '~> 0.2'
+  gem 'csv', '~> 3.3'
 end
diff --git a/Gemfile-jekyll4.lock b/Gemfile-jekyll4.lock
index 7301cfe..7345e8d 100644
--- a/Gemfile-jekyll4.lock
+++ b/Gemfile-jekyll4.lock
@@ -9,19 +9,27 @@ GEM
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
+    base64 (0.2.0)
     benchmark-ips (2.13.0)
+    bigdecimal (3.1.8)
     coderay (1.1.3)
     colorator (1.1.0)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
+    csv (3.3.0)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
     ffi (1.16.3)
     forwardable-extended (2.6.0)
-    google-protobuf (3.25.1)
+    google-protobuf (4.27.0-arm64-darwin)
+      bigdecimal
+      rake (>= 13)
+    google-protobuf (4.27.0-x86_64-linux)
+      bigdecimal
+      rake (>= 13)
     http_parser.rb (0.8.0)
-    i18n (1.14.1)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     jekyll (4.3.3)
       addressable (~> 2.4)
@@ -43,25 +51,25 @@ GEM
       sass-embedded (~> 1.54)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.7.1)
+    json (2.7.2)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     language_server-protocol (3.17.0.3)
     liquid (4.0.4)
-    listen (3.8.0)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    method_source (1.0.0)
-    minitest (5.20.0)
-    nokogiri (1.16.0-arm64-darwin)
+    method_source (1.1.0)
+    minitest (5.23.1)
+    nokogiri (1.16.5-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.0-x86_64-linux)
+    nokogiri (1.16.5-x86_64-linux)
       racc (~> 1.4)
     parallel (1.24.0)
-    parser (3.3.0.2)
+    parser (3.3.1.0)
       ast (~> 2.4.1)
       racc
     pathutil (0.16.2)
@@ -69,40 +77,42 @@ GEM
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (5.0.4)
-    racc (1.7.3)
+    public_suffix (5.0.5)
+    racc (1.8.0)
     rainbow (3.1.1)
-    rake (13.1.0)
+    rake (13.2.1)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    regexp_parser (2.9.0)
-    rexml (3.2.6)
-    rouge (4.2.0)
-    rubocop (1.59.0)
+    regexp_parser (2.9.2)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
+    rouge (4.2.1)
+    rubocop (1.64.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.4)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.30.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.30.0)
-      parser (>= 3.2.1.0)
-    rubocop-minitest (0.34.3)
-      rubocop (>= 1.39, < 2.0)
-      rubocop-ast (>= 1.30.0, < 2.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
+    rubocop-minitest (0.35.0)
+      rubocop (>= 1.61, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
     ruby-progressbar (1.13.0)
     safe_yaml (1.0.5)
-    sass-embedded (1.69.7-arm64-darwin)
-      google-protobuf (~> 3.25)
-    sass-embedded (1.69.7-x86_64-linux-gnu)
-      google-protobuf (~> 3.25)
+    sass-embedded (1.77.2-arm64-darwin)
+      google-protobuf (>= 3.25, < 5.0)
+    sass-embedded (1.77.2-x86_64-linux-gnu)
+      google-protobuf (>= 3.25, < 5.0)
+    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.5.0)
@@ -114,7 +124,9 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  base64 (~> 0.2)
   benchmark-ips (~> 2.7)
+  csv (~> 3.3)
   jekyll (~> 4.0)
   jekyll-minibundle!
   minitest (~> 5.8)