Add release workflow for tagged versions

.github/workflows/release.yml

@@ -0,0 +1,36 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v6.0.2
+
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1.288.0
+      with:
+        ruby-version: '3.4'
+        bundler-cache: true
+
+    - name: Build gem
+      run: gem build lizard.gemspec
+
+    - name: Publish to GitHub Packages
+      env:
+        GEM_HOST_API_KEY: Bearer ${{ secrets.GITHUB_TOKEN }}
+      run: gem push --host https://rubygems.pkg.github.com/djbender lizard-*.gem
+
+    - name: Create GitHub Release
+      env:
+        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: gh release create "${{ github.ref_name }}" lizard-*.gem --generate-notes

lizard.gemspec

@@ -14,6 +14,7 @@ Gem::Specification.new do |spec|
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
   spec.metadata["changelog_uri"] = "#{spec.homepage}/CHANGELOG.md"
+  spec.metadata["github_repo"] = "ssh://github.com/djbender/lizard-ruby"
 
   spec.files = Dir.chdir(__dir__) do
     `git ls-files -z`.split("\x0").reject do |f|