build: add action for GitHub releases

Author: AsifArmanRahman

.github/workflows/release.yml

@@ -0,0 +1,43 @@
+name: release
+
+on:
+    workflow_run:
+        workflows: [ "tests" ]
+        branches: [ "main" ]
+        types:
+            - completed
+    
+    workflow_dispatch:
+
+jobs:
+
+    github-release:
+        runs-on: ubuntu-latest
+
+        environment:
+            name: Staging
+
+        steps:
+            -   uses: actions/checkout@v2
+
+            -   name: conventional Changelog Action
+                id: changelog
+                uses: TriPSs/conventional-changelog-action@v3.7.1
+                with:
+                    github-token: ${{ secrets.CHANGELOG_RELEASE }}
+                    git-user-name: Google GitHub Actions Bot
+                    git-user-email: 72759630+google-github-actions-bot@users.noreply.github.com
+                    git-message: 'release: {version}'
+                    version-file: ./pyproject.toml
+                    version-path: project.version
+                    release-count: 0
+
+            -   name: create release
+                uses: actions/create-release@v1
+                if: ${{ steps.changelog.outputs.skipped == 'false' }}
+                env:
+                    GITHUB_TOKEN: ${{ secrets.CHANGELOG_RELEASE }}
+                with:
+                    tag_name: ${{ steps.changelog.outputs.tag }}
+                    release_name: ${{ steps.changelog.outputs.tag }}
+                    body: ${{ steps.changelog.outputs.clean_changelog }}