Update disk arm and gpu image. (iree-org#17992)

Last update broke the image b/c the runner-root directory was copied
from the instance.

Testing a new image, same as previous but without runner-root. GPU and
Arm images.

Signed-off-by: Nancy Yuen <yuenn@google.com>

build_tools/github_actions/runner/gcp/create_templates.sh

@@ -17,9 +17,9 @@ TESTING="${TEMPLATE_TESTING:-0}"
 DRY_RUN="${DRY_RUN:-0}"
 TESTING_SELF_DELETER="${TESTING_SELF_DELETER:-0}"
 
-GPU_IMAGE="${GPU_IMAGE:-github-runner-gpu-2024-07-18-011326}"
+GPU_IMAGE="${GPU_IMAGE:-github-runner-gpu-2024-07-23-190540}"
 CPU_IMAGE="${CPU_IMAGE:-github-runner-cpu-2024-07-20-012014}"
-ARM64_IMAGE="${ARM64_IMAGE:-github-runner-arm64-2024-07-18-001959}"
+ARM64_IMAGE="${ARM64_IMAGE:-github-runner-arm64-2024-07-23-184323}"
 DISK_SIZE_GB="${DISK_SIZE_GB:-1000}"
 
 PROD_TEMPLATE_CONFIG_REPO="${PROD_TEMPLATE_CONFIG_REPO:-iree-org/iree}"