Fix: release process (container)

Author: till

.github/workflows/goreleaser.yml

@@ -16,6 +16,12 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: 1.16
+      - uses: docker/setup-buildx-action@v2
+      - uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - uses: goreleaser/goreleaser-action@v2
         with:
           version: latest