fix: publish to ghcr too

.github/workflows/release.yaml

@@ -45,16 +45,12 @@ jobs:
         with:
           # list of Docker images to use as base name for tags
           images: |
-            spotdemo4/trevstack
+            ${{ github.repository }}
+            ghcr.io/${{ github.repository }}
           # generate Docker tags based on the following events/attributes
           tags: |
-            type=schedule
             type=ref,event=branch
-            type=ref,event=pr
             type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=semver,pattern={{major}}
-            type=sha
 
       - name: Login to Docker Hub
         uses: docker/login-action@v3
@@ -62,6 +58,13 @@ jobs:
           username: ${{ vars.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3