Update rails-health-monitor to use built in solr check (#668)

fixes #662

Gemfile.lock

@@ -227,7 +227,7 @@ GEM
       activesupport (>= 6.1)
     hashdiff (1.1.0)
     hashie (5.0.0)
-    health-monitor-rails (12.1.0)
+    health-monitor-rails (12.2.0)
       railties (>= 6.1)
     honeybadger (5.11.1)
     http (5.2.0)
@@ -293,7 +293,7 @@ GEM
     matrix (0.4.2)
     method_source (1.1.0)
     mini_mime (1.1.5)
-    minitest (5.24.0)
+    minitest (5.24.1)
     mize (0.5.0)
     msgpack (1.7.2)
     multi_xml (0.7.1)
@@ -315,17 +315,17 @@ GEM
       net-protocol
     net-ssh (7.0.0.beta1)
     nio4r (2.7.3)
-    nokogiri (1.16.6-aarch64-linux)
+    nokogiri (1.16.7-aarch64-linux)
       racc (~> 1.4)
-    nokogiri (1.16.6-arm-linux)
+    nokogiri (1.16.7-arm-linux)
       racc (~> 1.4)
-    nokogiri (1.16.6-arm64-darwin)
+    nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86-linux)
+    nokogiri (1.16.7-x86-linux)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86_64-darwin)
+    nokogiri (1.16.7-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     oai (1.2.1)
       builder (>= 3.1.0)
@@ -351,7 +351,7 @@ GEM
     public_suffix (5.0.5)
     puma (5.6.8)
       nio4r (~> 2.0)
-    racc (1.8.0)
+    racc (1.8.1)
     rack (2.2.9)
     rack-mini-profiler (2.3.4)
       rack (>= 1.2.0)
@@ -573,7 +573,7 @@ GEM
       nokogiri (~> 1.8)
     yard (0.9.36)
     yell (2.2.2)
-    zeitwerk (2.6.16)
+    zeitwerk (2.6.17)
 
 PLATFORMS
   aarch64-linux

config/initializers/health_monitor.rb

@@ -3,7 +3,9 @@
   HealthMonitor.configure do |config|
     config.cache
 
-    config.add_custom_provider(SolrStatus)
+    config.solr.configure do |c|
+      c.url = Blacklight.default_index.connection.uri.to_s
+    end
 
     # Make this health check available at /health
     config.path = :health