DROP: Use mantle kola PR ref

pothos · pothos · commit 0ea4f073c29d · 2025-12-18T13:30:59.000+09:00
Signed-off-by: Kai Lueke &lt;kailuke@microsoft.com&gt;
diff --git a/sdk_container/.repo/manifests/mantle-container b/sdk_container/.repo/manifests/mantle-container
@@ -1 +1 @@
-ghcr.io/flatcar/mantle:git-188e64dfaa2d0d49f336eb5d66773b20a345336b
+ghcr.io/flatcar/mantle:pr-720

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-ghcr.io/flatcar/mantle:git-188e64dfaa2d0d49f336eb5d66773b20a345336b`
	`1`	`+ghcr.io/flatcar/mantle:pr-720`