build(deps-dev): bump rspec-expectations from 3.12.3 to 3.12.4

Bumps [rspec-expectations](https://github.com/rspec/rspec-expectations) from 3.12.3 to 3.12.4.
- [Release notes](https://github.com/rspec/rspec-expectations/releases)
- [Changelog](https://github.com/rspec/rspec-expectations/blob/main/Changelog.md)
- [Commits](rspec/rspec-expectations@v3.12.3...v3.12.4)

---
updated-dependencies:
- dependency-name: rspec-expectations
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -30,13 +30,13 @@ GEM
       rspec-mocks (~> 3.12.0)
     rspec-core (3.12.2)
       rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.3)
+    rspec-expectations (3.12.4)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-mocks (3.12.6)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
-    rspec-support (3.12.1)
+    rspec-support (3.12.2)
     ruby2_keywords (0.0.5)
     simplecov (0.22.0)
       docile (~> 1.1)