Update mantle container image to latest HEAD

Flatcar Buildbot · Flatcar Buildbot · commit 78ff0613cae1 · 2024-12-12T13:58:18.000Z
diff --git a/sdk_container/.repo/manifests/mantle-container b/sdk_container/.repo/manifests/mantle-container
@@ -1 +1 @@
-ghcr.io/flatcar/mantle:git-34b4d289705df0b53a2dfb0181bec9e950f7020c
+ghcr.io/flatcar/mantle:git-c976779181a650ece74fa525f31eb16cce05d194

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-ghcr.io/flatcar/mantle:git-34b4d289705df0b53a2dfb0181bec9e950f7020c`
	`1`	`+ghcr.io/flatcar/mantle:git-c976779181a650ece74fa525f31eb16cce05d194`