⚙️ config(ci): Allow ci:build:compose build job to run on an old ca…

…che.

Instead of waiting forever on the build to succeed, we build it from a
potentially stale cache.

.github/workflows/ci:build:compose.yml

@@ -33,6 +33,8 @@ jobs:
         with:
           workflow: ci:build:image.yml
           sha: auto
+          timeout-minutes: 15  # NOTE We build without a fresh cache on timeout.
+          continue-on-error: true
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3