updated CI to use gh (#89)

Implemented new CI method. This was copied directly from the [CI file
from
`auto-merge-bot`](https://github.com/paritytech/auto-merge-bot/blob/main/.github/workflows/release.yml)

.github/workflows/publish.yml

@@ -7,6 +7,7 @@ on:
 
 env:
   IMAGE_NAME: action
+  REGISTRY: ghcr.io
 
 jobs:
   test-image:
@@ -36,93 +37,60 @@ jobs:
         env:
           FILE_NAME: ".github/workflows/review-bot.yml"
 
-  test-versions:
+  compare-versions:
     runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.verification.outputs.VERSION }}
+      exists: ${{ steps.checkTag.outputs.exists }}
     steps:
       - uses: actions/[email protected]
       - name: Extract package.json version
         id: package_version
         run: echo "VERSION=$(jq '.version' -r package.json)" >> $GITHUB_OUTPUT
-      - name: Extract action.yml version
-        uses: mikefarah/yq@master
-        id: action_image
-        with:
-          cmd: yq '.runs.image' 'action.yml'
-      - name: Parse action.yml version
-        id: action_version
-        run: |
-          echo "IMAGE_VERSION=$(echo $IMAGE_URL | cut -d: -f3)" >> $GITHUB_OUTPUT
-        env:
-          IMAGE_URL: ${{ steps.action_image.outputs.result }}
+        # Compare that the versions contain the same name
       - name: Compare versions
-        run: |
-          echo "Verifying that $IMAGE_VERSION from action.yml is the same as $PACKAGE_VERSION from package.json"
-          [[ $IMAGE_VERSION == $PACKAGE_VERSION ]]
-        env:
-          IMAGE_VERSION: ${{ steps.action_version.outputs.IMAGE_VERSION }}
-          PACKAGE_VERSION: ${{ steps.package_version.outputs.VERSION }}
+        id: verification
+        uses: Bullrich/compare-version-on-action@main
+        with:
+          version: ${{ steps.package_version.outputs.VERSION }}
+        # Verifies if there is a tag with that version number
+      - uses: mukunku/[email protected]
+        if: steps.verification.outputs.VERSION
+        id: checkTag
+        with: 
+          tag: v${{ steps.package_version.outputs.VERSION }}
 
-  tag:
-    if: github.event_name == 'push'
-    needs: [test-image, test-versions]
+  publish:
+    if: github.event_name == 'push' && needs.compare-versions.outputs.exists == 'false'
+    needs: [test-image, compare-versions]
     runs-on: ubuntu-latest
     permissions:
       contents: write
-    outputs:
-      tagcreated: ${{ steps.autotag.outputs.tagcreated }}
-      tagname: ${{ steps.autotag.outputs.tagname }}
+      packages: write
     steps:
       - uses: actions/[email protected]
-        with:
-          fetch-depth: 0
-      - uses: butlerlogic/action-autotag@stable
-        id: autotag
-        with:
-          head_branch: master
-          tag_prefix: "v"
+      - name: Tag version and create release
+        run: gh release create $VERSION --generate-notes
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Changelog
-        uses: Bullrich/[email protected]
-        id: Changelog
-        env:
-          REPO: ${{ github.repository }}
-      - name: Create Release
-        if: steps.autotag.outputs.tagname != ''
-        uses: actions/create-release@latest
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: v${{ needs.compare-versions.outputs.version }}
+          GH_TOKEN: ${{ github.token }}
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
         with:
-          tag_name: ${{ steps.autotag.outputs.tagname }}
-          release_name: Release ${{ steps.autotag.outputs.tagname }}
-          body: |
-            ${{ steps.Changelog.outputs.changelog }}
-  publish:
-    runs-on: ubuntu-latest
-    permissions:
-      packages: write
-    needs: [tag]
-    if: needs.tag.outputs.tagname != ''
-    steps:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ github.repository }}/${{ env.IMAGE_NAME }}
+          tags: ${{ needs.compare-versions.outputs.version }}
       - uses: actions/checkout@v3
-      - name: Build image
-        run: docker build . --file Dockerfile --tag $IMAGE_NAME
-      - name: Log into registry
-        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin
-      - name: Push image
-        run: |
-          IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/$IMAGE_NAME
-          # Change all uppercase to lowercase
-          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-          # Strip git ref prefix from version
-          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-          # Strip "v" prefix from tag name
-          [[ ! -z $TAG ]] && VERSION=$(echo $TAG | sed -e 's/^v//')
-          # Use Docker `latest` tag convention
-          [ "$VERSION" == "main" ] && VERSION=latest
-          echo IMAGE_ID=$IMAGE_ID
-          echo VERSION=$VERSION
-          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
-          docker push $IMAGE_ID:$VERSION
-        env:
-          TAG: ${{ needs.tag.outputs.tagname }}
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}