chore(deps): update ubuntu:24.04 docker digest to 278628f

This MR contains the following updates:

Package	Type	Update	Change
ubuntu	final	digest	99c3519 -> 278628f

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Dockerfile

 # renovate: datasource=docker
-ARG UBUNTU_IMAGE_TAG=24.04@sha256:99c35190e22d294cdace2783ac55effc69d32896daaa265f0bbedbcde4fbe3e5
+ARG UBUNTU_IMAGE_TAG=24.04@sha256:278628f08d4979fb9af9ead44277dbc9c92c2465922310916ad0c46ec9999295
 FROM ubuntu:${UBUNTU_IMAGE_TAG}
 
 ARG WITH_IPERF=1