ci(deploy): fix yaml syntax and ensure docker prune runs before build

.gitea/workflows/deploy.yml

@@ -285,8 +285,15 @@ jobs:
           perl -pi -e 's/link:\.\/_at-mintel\/packages\/pdf"/link:.\/_at-mintel\/packages\/pdf-library"/g' package.json
           perl -pi -e 's/"\@mintel\/([^"]+)"\s*:\s*"[^"]+"/"\@mintel\/$1": "link:..\/\.\.\/_at-mintel\/packages\/$1"/g' apps/web/package.json
           perl -pi -e 's/link:\.\.\/\.\.\/_at-mintel\/packages\/pdf"/link:..\/\.\.\/_at-mintel\/packages\/pdf-library"/g' apps/web/package.json
+
+      - name: 🧹 Free Disk Space
+        run: |
+          docker builder prune -af || true
+          docker image prune -af || true
+
       - name: 🐳 Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+
       - name: 🔐 Registry Login
         run: |
           echo "${{ secrets.REGISTRY_PASS }}" | docker login registry.infra.mintel.me -u "${{ secrets.REGISTRY_USER }}" --password-stdin