chore(deps-dev): bump rspec from 3.8.0 to 3.9.0

Bumps [rspec](https://github.com/rspec/rspec) from 3.8.0 to 3.9.0.
- [Release notes](https://github.com/rspec/rspec/releases)
- [Commits](rspec/rspec@v3.8.0...v3.9.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Gemfile.lock

@@ -30,19 +30,19 @@ GEM
     rake (10.5.0)
     rbnacl (6.0.1)
       ffi
-    rspec (3.8.0)
-      rspec-core (~> 3.8.0)
-      rspec-expectations (~> 3.8.0)
-      rspec-mocks (~> 3.8.0)
-    rspec-core (3.8.1)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.4)
+    rspec (3.9.0)
+      rspec-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+    rspec-core (3.9.0)
+      rspec-support (~> 3.9.0)
+    rspec-expectations (3.9.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-mocks (3.8.1)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-support (3.8.2)
+      rspec-support (~> 3.9.0)
+    rspec-support (3.9.0)
     rubocop (0.69.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)