try dis

.github/workflows/build-docker.yml

@@ -76,7 +76,7 @@ jobs:
                           --format="value(vulnerability.effectiveSeverity)")
           # Check if CRITICAL vulnerability is found
           chk=$(echo "$severity" | grep -c "CRITICAL")
-          if [ "$chk" -gt "$CRITICAL_COUNT" ]; then
+          if [ "$chk" -gt "${{ env.CRITICAL_COUNT }}" ]; then
               echo "Failed vulnerability check for CRITICAL level"
               exit 1
           else