rubygems via rake

.github/workflows/rubygems-rake.yaml

@@ -0,0 +1,67 @@
+name: Release
+
+on:
+  workflow_call:
+    inputs:
+      environment:
+        description: "GitHub environment for the workflow"
+        type: string
+        default: "rubygems"
+
+permissions:
+  # for uploading artifacts to GitHub release
+  contents: write
+
+  # for trusted publishing and attest-build-provenance
+  id-token: write
+
+  # for attest-build-provenance
+  attestations: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    environment: ${{ inputs.environment }}
+
+    steps:
+      - name: 📥 Checkout Repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+      - name: 🏗️ Set up Ruby
+        uses: ruby/setup-ruby@2a18b06812b0e15bb916e1df298d3e740422c47e # v1.203.0
+        with:
+          bundler-cache: true
+
+      - name: 🔄 Sync version file
+        run: |
+          version="${GH_VERSION#v}"
+          if ! ruby -e "require 'rubygems'; Gem::Version.new('$version')"; then
+            echo "Error: Invalid version string '$version'"
+            exit 1
+          fi
+          sed -i "s/VERSION = '.*'/VERSION = '${version}'/" lib/version.rb
+
+          git update-index --skip-worktree lib/version.rb
+        env:
+          GH_VERSION: ${{ github.event.release.tag_name }}
+
+      - name: 🚀 Publish to rubygems
+        uses: rubygems/release-gem@9e85cb11501bebc2ae661c1500176316d3987059 # v1.1.0
+
+      - name: 🗑️ Clean signable artifacts
+        run: rm pkg/*.sigstore.json
+
+      - name: 🔐 Generate Build Provenance
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb # v2.1.0
+        with:
+          subject-path: "pkg/*"
+
+      - name: 📥 Upload to GitHub
+        run: |
+          for file in pkg/*; do
+            gh release upload "${GH_VERSION}" "$file"
+          done
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_VERSION: ${{ github.event.release.tag_name }}