Test ghcr.io packages

.github/workflows/build-docker-edge.yml

@@ -16,12 +16,19 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
-    - name: Login to DockerHub
+    - name: Log into Docker Hub
       uses: docker/login-action@v3
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
 
+    - name: Log into GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ github.token }}
+
     - name: Build and push
       uses: docker/build-push-action@v5
       with:
@@ -32,3 +39,4 @@ jobs:
         push: true
         tags: |
           axllent/mailpit:edge
+          ghcr.io/${{ github.repository }}:edge