add malware scan

.github/workflows/deploy.yml

@@ -10,8 +10,16 @@ permissions:
   contents: read
 
 jobs:
+  # Supply-chain gate. Every other job depends on this, so a malware detection
+  # blocks the entire deploy before any build, migration or container starts.
+  malware-scan:
+    name: Malware gate
+    uses: ./.github/workflows/malware-scan.yml
+    secrets: inherit
+
   detect-changes:
     name: Detect changed services
+    needs: malware-scan
     runs-on: ${{ fromJson(format('["self-hosted", "{0}"]', github.ref_name)) }}
     outputs:
       matrix: ${{ steps.filter.outputs.matrix }}
@@ -90,7 +98,7 @@ jobs:
 
   deploy:
     name: Deploy ${{ matrix.service }}
-    needs: detect-changes
+    needs: [malware-scan, detect-changes]
     if: ${{ needs.detect-changes.outputs.matrix != '[]' }}
     runs-on: ${{ fromJson(format('["self-hosted", "{0}"]', github.ref_name)) }}
     strategy: