New version: main-4551.0.0-nightly-20251216-2100

Signed-off-by: flatcar-ci <infra+ci@flatcar-linux.org>

Author: flatcar-ci

sdk_container/.repo/manifests/version.txt

@@ -1,4 +1,4 @@
-FLATCAR_VERSION=4550.0.0+nightly-20251215-2100
-FLATCAR_VERSION_ID=4550.0.0
-FLATCAR_BUILD_ID="nightly-20251215-2100"
-FLATCAR_SDK_VERSION=4550.0.0+nightly-20251215-2100
+FLATCAR_VERSION=4551.0.0+nightly-20251216-2100
+FLATCAR_VERSION_ID=4551.0.0
+FLATCAR_BUILD_ID="nightly-20251216-2100"
+FLATCAR_SDK_VERSION=4551.0.0+nightly-20251216-2100