chore(deps): bump ubuntu from cdb5fd9 to c4a8d55 in /docker/backup-uploader (#193)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docker/backup-uploader/Dockerfile

@@ -1,6 +1,6 @@
 FROM rclone/rclone:1.74.3 as rclone
 
-FROM ubuntu:noble-20260410@sha256:cdb5fd928fced577cfecf12c8966e830fcdf42ee481fb0b91904eeddc2fe5eff
+FROM ubuntu:noble-20260410@sha256:c4a8d5503dfb2a3eb8ab5f807da5bc69a85730fb49b5cfca2330194ebcc41c7b
 
 ARG UNAME=hedera
 ARG UID=2000