cos-gpu-installer V2.0.21 release

Change-Id: I7a82be165d64e39bdeacaa07c27b4cb4bc37ce67
Reviewed-on: https://cos-review.googlesource.com/c/cos/tools/+/31204
Cloud-Build: GCB Service account <228075978874@cloudbuild.gserviceaccount.com>
Tested-by: He Gao <hegao@google.com>
Reviewed-by: Rayan Dasoriya <dasoriya@google.com>
diff --git a/release/release-versions.yaml b/release/release-versions.yaml
index 0404c0f..231ab23 100644
--- a/release/release-versions.yaml
+++ b/release/release-versions.yaml
@@ -18,6 +18,6 @@
     - "v20220314"
 - staging_container_name: "cos-gpu-installer"
   release_container_name: "cos-gpu-installer"
-  build_commit: "2cd0d648ba8db179b023b6bf44567009ee86b7a4"
+  build_commit: "7e795c66fd9570d60a148b5cb0c1571ab6684ca6"
   release_tags:
-    - "v2.0.20"
+    - "v2.0.21"