Add github action to release to ruby gems

.github/workflows/publish.yml

@@ -5,8 +5,6 @@ on:
   push:
     tags:
       - '*'
-    branches:
-      - kiskolabs/gha-publish-to-rubygems
 
 jobs:
   test:
@@ -18,16 +16,12 @@ jobs:
       contents: write
       id-token: write
     steps:
-      - name: Test
-        run: |
-          echo "Testing successful case"
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+          ruby-version: 3.0
 
-      # - uses: actions/checkout@v4
-      # - name: Set up Ruby
-      #   uses: ruby/setup-ruby@v1
-      #   with:
-      #     bundler-cache: true
-      #     ruby-version: 3.0
-
-      # # Release
-      # - uses: rubygems/release-gem@v1
+      # Release
+      - uses: rubygems/release-gem@v1