perf: enforce renovate manager batching under 2gb cap

.gitea/workflows/renovate.yml

@@ -404,7 +404,7 @@ jobs:
             fi
 
             primary_status=$?
-            if [ "${primary_status}" -eq 137 ]; then
+            if [ "${primary_status}" -eq 137 ] || tail -n 400 /tmp/renovate.log | grep -qE '(^|[[:space:]])Killed($|[[:space:]])|exitcode '\''137'\''' ; then
               echo "❌ Renovate batch '${batch_label}' terminated by OOM/kill signal on primary endpoint; skipping endpoint retry"
               return "${primary_status}"
             fi
@@ -416,7 +416,8 @@ jobs:
           : > /tmp/renovate.log
 
           # Run low-memory batches sequentially to keep peak usage below constrained runner limits.
-          run_batch_with_fallback "docker-compose,dockerfile,github-actions,pep621,custom.regex" "core"
+          run_batch_with_fallback "docker-compose,dockerfile,custom.regex" "containers"
+          run_batch_with_fallback "github-actions,pep621" "python-and-actions"
           run_batch_with_fallback "npm" "npm"
 
           echo "✓ Renovate execution completed"