Bump rspec-expectations from 3.9.0 to 3.9.4

Bumps [rspec-expectations](https://github.com/rspec/rspec-expectations) from 3.9.0 to 3.9.4.
- [Release notes](https://github.com/rspec/rspec-expectations/releases)
- [Changelog](https://github.com/rspec/rspec-expectations/blob/main/Changelog.md)
- [Commits](rspec/rspec-expectations@v3.9.0...v3.9.4)

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

Gemfile.lock

@@ -18,7 +18,7 @@ GEM
     byebug (11.1.1)
     crack (0.4.5)
       rexml
-    diff-lcs (1.3)
+    diff-lcs (1.4.4)
     docile (1.3.5)
     dry-inflector (0.2.0)
     faraday (1.3.0)
@@ -42,7 +42,7 @@ GEM
       rspec-mocks (~> 3.9.0)
     rspec-core (3.9.3)
       rspec-support (~> 3.9.3)
-    rspec-expectations (3.9.0)
+    rspec-expectations (3.9.4)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-mocks (3.9.1)