Push to ghcr.io

.github/workflows/docker.yml

@@ -16,6 +16,7 @@ jobs:
       - name: Login to GCHR
         uses: docker/login-action@v1
         with:
+          registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.CR_PAT }}
       - name: Set version
@@ -25,4 +26,4 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           push: true
-          tags: "${{ env.GITHUB_REPOSITORY }}:${{ env.RELEASE_VERSION }}"
+          tags: "ghcr.io/${{ github.repository }}:${{ env.RELEASE_VERSION }}"