Merge pull request #715 from ruby/dependabot/github_actions/rubygems/release-gem-1.2.0

Bump rubygems/release-gem from 1.1.4 to 1.2.0

Author: matzbot

.github/workflows/push_gem.yml

@@ -36,7 +36,7 @@ jobs:
           ruby-version: "ruby"
 
       - name: Publish to RubyGems
-        uses: rubygems/release-gem@e9a6361a0b14562539327c2a02373edc56dd3169 # v1.1.4
+        uses: rubygems/release-gem@6317d8d1f7e28c24d28f6eff169ea854948bd9f7 # v1.2.0
 
       - name: Create GitHub release
         run: |