Bump rubygems/release-gem from 1.1.2 to 1.1.4

Bumps [rubygems/release-gem](https://github.com/rubygems/release-gem) from 1.1.2 to 1.1.4.
- [Release notes](https://github.com/rubygems/release-gem/releases)
- [Commits](rubygems/release-gem@1c162a7...e9a6361)

---
updated-dependencies:
- dependency-name: rubygems/release-gem
  dependency-version: 1.1.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/push_gem.yml

@@ -40,7 +40,7 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
 
       - name: Publish to RubyGems
-        uses: rubygems/release-gem@1c162a739e8b4cb21a676e97b087e8268d8fc40b # v1.1.2
+        uses: rubygems/release-gem@e9a6361a0b14562539327c2a02373edc56dd3169 # v1.1.4
 
       - name: Create GitHub release
         run: |