Automator: update common-files@master in istio/api@master (#3212)

Author: istio-testing

.devcontainer/devcontainer.json

@@ -1,6 +1,6 @@
 {
   "name": "istio build-tools",
-  "image": "gcr.io/istio-testing/build-tools:master-9637643344b97c5f67c2c1fc1bdd29a97d9930dc",
+  "image": "gcr.io/istio-testing/build-tools:master-121eded1f81117fdfa16a845d0be462cb0cd0377",
   "privileged": true,
   "remoteEnv": {
     "USE_GKE_GCLOUD_AUTH_PLUGIN": "True",

common/.commonfiles.sha

@@ -1 +1 @@
-d9dad780c50ae7f54b79891605c462de66986805
+90cda40ea020489e55656a2c3bdca9fd93ec85c3

common/scripts/setup_env.sh

@@ -75,7 +75,7 @@ fi
 TOOLS_REGISTRY_PROVIDER=${TOOLS_REGISTRY_PROVIDER:-gcr.io}
 PROJECT_ID=${PROJECT_ID:-istio-testing}
 if [[ "${IMAGE_VERSION:-}" == "" ]]; then
-  IMAGE_VERSION=master-9637643344b97c5f67c2c1fc1bdd29a97d9930dc
+  IMAGE_VERSION=master-121eded1f81117fdfa16a845d0be462cb0cd0377
 fi
 if [[ "${IMAGE_NAME:-}" == "" ]]; then
   IMAGE_NAME=build-tools