Add publish container github action and remove old action

.github/workflows/publish-container-image.yaml

@@ -0,0 +1,35 @@
+permissions:
+  id-token: write
+  contents: read
+  packages: write
+
+name: Publish markdown2confluence container image
+
+on:
+  push:
+    branches: [main,ol/containerize]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and push
+      uses: docker/build-push-action@v3
+      with:
+        context: ./publisher
+        file: ./publisher/Dockerfile
+        push: true
+        tags: ghcr.io/${{ github.repository }}:alpha-latest
+