ci: Update kernel for Panthor scheduling fixes

These should make G610 properly stable now.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Part-of: <!33431>

.gitlab-ci/image-tags.yml

@@ -49,7 +49,7 @@ variables:
    ALPINE_X86_64_LAVA_SSH_TAG: "20250124-spirv-tools"
    FEDORA_X86_64_BUILD_TAG: "20250223-way-prot"
 
-   KERNEL_TAG: "v6.13-rc4-mesa-a34d"
+   KERNEL_TAG: "v6.13-rc4-mesa-a328"
    KERNEL_REPO: "gfx-ci/linux"
    PKG_REPO_REV: "95bf62c"