CI: Drop unneeded job dependencies

Author: dbrgn

.github/workflows/ci.yml

@@ -78,7 +78,6 @@ jobs:
   docker-build:
     name: Build Docker Image
     runs-on: ubuntu-latest
-    needs: [test, clippy, fmt]
     if: github.ref != 'refs/heads/main'
     steps:
       - name: Checkout code