Release only new tags

.github/workflows/ci.yml

@@ -45,22 +45,3 @@ jobs:
   #         ruby-version: head
   #     - name: Run style checks
   #       run: bundle exec rubocop
-  push:
-    name: Push gem to RubyGems.org
-    runs-on: ubuntu-latest
-
-    permissions:
-      id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
-      contents: write # IMPORTANT: this permission is required for `rake release` to push the release tag
-
-    steps:
-      # Set up
-      - uses: actions/checkout@v4
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          bundler-cache: true
-          ruby-version: ruby
-
-      # Release
-      - uses: rubygems/release-gem@v1

.github/workflows/release.yml

@@ -0,0 +1,30 @@
+name: CI
+
+# push: This runs every time a new commit is pushed to GitHub.
+# pull_request: This runs every time a new pull request is made, which allows forks to trigger CI
+on:
+  push:
+    # Pattern matched against refs/tags
+    tags:        
+      - '*'           # Push events to every tag not containing /
+
+jobs:
+  push:
+    name: Push gem to RubyGems.org
+    runs-on: ubuntu-latest
+
+    permissions:
+      id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
+      contents: write # IMPORTANT: this permission is required for `rake release` to push the release tag
+
+    steps:
+      # Set up
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+          ruby-version: ruby
+
+      # Release
+      - uses: rubygems/release-gem@v1