Update mantle container image to latest HEAD

Flatcar Buildbot · Flatcar Buildbot · commit 71de88f009fc · 2025-08-07T21:00:47.000Z
Signed-off-by: Flatcar Buildbot &lt;buildbot@flatcar-linux.org&gt;
diff --git a/sdk_container/.repo/manifests/mantle-container b/sdk_container/.repo/manifests/mantle-container
@@ -1 +1 @@
-ghcr.io/flatcar/mantle:git-61bc7b47134cfd6640290cdcfa2cbff09bed4192
+ghcr.io/flatcar/mantle:git-fad91f278e00c009cf1d7bb8b5be470836d7110b

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-ghcr.io/flatcar/mantle:git-61bc7b47134cfd6640290cdcfa2cbff09bed4192`
	`1`	`+ghcr.io/flatcar/mantle:git-fad91f278e00c009cf1d7bb8b5be470836d7110b`