Use fullqualified action names

.forgejo/workflows/build-docker.yaml

@@ -14,9 +14,9 @@ jobs:
     steps:
       - uses: https://code.forgejo.org/actions/checkout@v4
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: https://code.forgejo.org/docker/setup-buildx-action@v3
       - name: Login to Container Registry
-        uses: docker/login-action@v3
+        uses: https://code.forgejo.org/docker/login-action@v3
         with:
           registry: git.ratte.dev
           username: Laborratte5
@@ -24,7 +24,7 @@ jobs:
       - id: create_version_string
         run: echo version_tag=$(git rev-parse --short HEAD)-$(date --utc --iso-8601) >> $FORGEJO_OUTPUT
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: https://code.forgejo.org/docker/build-push-action@v6
         with:
           push: true
           tags: |