update ci-overlay and keep common-bench.jsonnet in sync

Author: wirthi

graal-common.json

@@ -1,6 +1,6 @@
 {
   "README": "This file contains definitions that are useful for the jsonnet CI files of the graal and graal-enterprise repositories.",
   "ci": {
-    "overlay": "7613333303c6a3c64716b2d067a3ba05824cc4fd"
+    "overlay": "2a0851326f1dfd487b05e5e54dec4e6736b901ed"
   }
 }

vm/ci/ci_common/common-bench.jsonnet

@@ -1,3 +1,5 @@
+# note: this file needs to be in sync between CE and EE
+
 local vm = import '../ci_includes/vm.jsonnet';
 local common = import '../../../ci/ci_common/common.jsonnet';
 local vm_common = import '../ci_common/common.jsonnet';
@@ -176,7 +178,7 @@ local repo_config = import '../../../ci/repo-configuration.libsonnet';
       self.warmup_bench_cmd + ['--polybench-vm-config=native-standard', '--metric=one-shot'],
     ],
     timelimit: '1:30:00',
-    notify_emails: [],
+    notify_groups: ['polybench'],
   },
 
   vm_bench_polybench_nfi: {