cos-customizer: update gpu-installer-v1 to v20220608

The latest installer uses gs://cos-sdk to download
toolchain. Toolchain cannot be found at the old location.

Change-Id: I7374eec8b2ac3cd170bcf04a682162caf799095d
Reviewed-on: https://cos-review.googlesource.com/c/cos/tools/+/34221
Cloud-Build: GCB Service account <228075978874@cloudbuild.gserviceaccount.com>
Tested-by: He Gao <hegao@google.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
diff --git a/src/cmd/cos_customizer/install_gpu.go b/src/cmd/cos_customizer/install_gpu.go
index d141c93..16e826a 100644
--- a/src/cmd/cos_customizer/install_gpu.go
+++ b/src/cmd/cos_customizer/install_gpu.go
@@ -39,7 +39,7 @@
 
 const (
 	gpuScript          = "install_gpu.sh"
-	installerContainer = "gcr.io/cos-cloud/cos-gpu-installer:v20220414"
+	installerContainer = "gcr.io/cos-cloud/cos-gpu-installer:v20220608"
 )
 
 // TODO(b/121332360): Move most GPU functionality to cos-gpu-installer