feat(ci): add release workflow for GitHub Actions

Author: ns-vasilev

.github/workflows/release.yml

@@ -0,0 +1,85 @@
+name: release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "The version to release"
+        type: string
+
+permissions:
+  contents: write
+  pull-requests: read
+  statuses: write
+  packages: write
+
+jobs:
+  release:
+    name: release
+    runs-on: "ubuntu-latest"
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+      - uses: jdx/mise-action@v3
+        with:
+          experimental: true
+      - name: check for changes since last release
+        id: check-changes
+        run: |
+          LAST_TAG=$(git tag -l | grep -E '^[0-9]+\.[0-9]+\.[0-9]+$' | sort -V | tail -n 1)
+          if [ -z "$LAST_TAG" ]; then
+            echo "No previous Validator releases found, will release"
+            echo "has-changes=true" >> $GITHUB_OUTPUT
+          else
+            if [ -n "$(git diff --name-only ${LAST_TAG}..HEAD)" ]; then
+              echo "Validator changes found since $LAST_TAG"
+              echo "has-changes=true" >> $GITHUB_OUTPUT
+            else
+              echo "No Validator changes since $LAST_TAG"
+              echo "has-changes=false" >> $GITHUB_OUTPUT
+            fi
+          fi
+      - name: Get next version
+        id: next-version
+        if: steps.check-changes.outputs.has-changes == 'true'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          NEXT_VERSION=$(git cliff --config ./cliff.toml --bumped-version)
+          echo "NEXT_VERSION=$NEXT_VERSION" >> "$GITHUB_OUTPUT"
+          echo "Next Validator version will be: $NEXT_VERSION"
+      - name: Update CHANGELOG.md
+        if: steps.check-changes.outputs.has-changes == 'true'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: git cliff --config ./cliff.toml --bump -o ./CHANGELOG.md
+      - name: Get release notes
+        id: release-notes
+        if: steps.check-changes.outputs.has-changes == 'true'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          echo "RELEASE_NOTES<<EOF" >> "$GITHUB_OUTPUT"
+          git cliff --config ./cliff.toml --latest >> "$GITHUB_OUTPUT"
+          echo "EOF" >> "$GITHUB_OUTPUT"
+      - name: Commit changes
+        id: auto-commit-action
+        uses: stefanzweifel/git-auto-commit-action@v7
+        if: steps.check-changes.outputs.has-changes == 'true'
+        with:
+          commit_options: "--allow-empty"
+          tagging_message: ${{ steps.next-version.outputs.NEXT_VERSION }}
+          skip_dirty_check: true
+          commit_message: "[Release] Validator ${{ steps.next-version.outputs.NEXT_VERSION }}"
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        if: steps.check-changes.outputs.has-changes == 'true'
+        with:
+          draft: false
+          repository: space-code/validator
+          name: ${{ steps.next-version.outputs.NEXT_VERSION }}
+          tag_name: ${{ steps.next-version.outputs.NEXT_VERSION }}
+          body: ${{ steps.release-notes.outputs.RELEASE_NOTES }}
+          target_commitish: ${{ steps.auto-commit-action.outputs.commit_hash }}