cos-customizer: update cos-gpu-installer container for install-gpu step

Change-Id: Ieb740e37e58886abcd364f1b21f04fc9382e81e0
Reviewed-on: https://cos-review.googlesource.com/c/cos/tools/+/55109
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Tested-by: Arnav Kansal <rnv@google.com>
Cloud-Build: GCB Service account <228075978874@cloudbuild.gserviceaccount.com>
diff --git a/src/cmd/cos_customizer/install_gpu.go b/src/cmd/cos_customizer/install_gpu.go
index 7fdb2d7..227f0c0 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"
-	defaultInstallerContainer = "gcr.io/cos-cloud/cos-gpu-installer:v20230117"
+	defaultInstallerContainer = "gcr.io/cos-cloud/cos-gpu-installer:v20230815"
 )
 
 // InstallGPU implements subcommands.Command for the "install-gpu" command.