Update disk image versions (iree-org#17939)

Pick up latest openssh to 1:8.9p1-3ubuntu0.10

Previous iree-org#17936 missed arm64. And GPU image created is missing the
update.
These images have been verified to have the update.

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="${GPU_IMAGE:-github-runner-gpu-2024-07-17-211258}"
+GPU_IMAGE="${GPU_IMAGE:-github-runner-gpu-2024-07-18-011326}"
 CPU_IMAGE="${CPU_IMAGE:-github-runner-cpu-2024-07-17-203409}"
-ARM64_IMAGE="${ARM64_IMAGE:-github-runner-arm64-2023-11-01-1698857095}"
+ARM64_IMAGE="${ARM64_IMAGE:-github-runner-arm64-2024-07-18-001959}"
 DISK_SIZE_GB="${DISK_SIZE_GB:-1000}"
 
 PROD_TEMPLATE_CONFIG_REPO="${PROD_TEMPLATE_CONFIG_REPO:-iree-org/iree}"