release new cos-customizer image

Change-Id: I9ac67e5ece4420b409c11ca38ff66abd08685e84
Reviewed-on: https://cos-review.googlesource.com/c/cos/tools/+/25861
Cloud-Build: GCB Service account <228075978874@cloudbuild.gserviceaccount.com>
Reviewed-by: Roy Yang <royyang@google.com>
Tested-by: Varsha Teratipally <teratipally@google.com>
diff --git a/release/release-versions.yaml b/release/release-versions.yaml
index 337fbef..de673cc 100644
--- a/release/release-versions.yaml
+++ b/release/release-versions.yaml
@@ -1,9 +1,9 @@
 - staging_container_name: "cos-customizer"
   release_container_name: "cos-customizer"
-  build_commit: "6288feb7f6414a754117860192c3d5332118d2cf"
+  build_commit: "4f3d332f8e92c1969b7cd8b977b56d133bd3beac"
   release_tags:
     - "latest"
-    - "v20211110"
+    - "v20211206"
 - staging_container_name: "toolbox"
   release_container_name: "toolbox"
   build_commit: "c5c044b37baece9ab2976d0d2371ff26c97c6dc4"