Fix build workflow

.forgejo/workflows/build.yaml

@@ -23,12 +23,13 @@ jobs:
       - name: "Login to the container registry"
         uses: "https://code.forgejo.org/docker/login-action@v3"
         with:
-          registry: git.moritzruth.de
-          username: ${{ github.actor }}
-          password: ${{ github.token }}
+          registry: "git.moritzruth.de"
+          username: "${{ github.actor }}"
+          password: "${{ github.token }}"
 
       - name: "Build and push the container image"
         uses: "https://code.forgejo.org/docker/build-push-action@v6"
         with:
+          context: "."
           push: true
           tags: "git.moritzruth.de/moritzruth/sscdc:${{ github.ref_name }}"