Merge pull request #538 from ruby/dependabot/github_actions/rubygems/release-gem-1.4.0

Bump rubygems/release-gem from 1.2.0 to 1.4.0

Author: hsbt

.github/workflows/push_gem.yml

@@ -43,7 +43,7 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
 
       - name: Publish to RubyGems
-        uses: rubygems/release-gem@6317d8d1f7e28c24d28f6eff169ea854948bd9f7 # v1.2.0
+        uses: rubygems/release-gem@052cc82692552de3ef2b81fd670e41d13cba8092 # v1.4.0
 
       - name: Create GitHub release
         run: |