chore(deps): update docker.io/library/ubuntu:24.04 docker digest to 2…

…78628f (#200)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

images/coder-base/Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.11.1@sha256:10c699f1b6c8bdc8f6b4ce8974855dd8542f1768c26eb240237b8f1c9c6c9976
-FROM docker.io/library/ubuntu:24.04@sha256:dfc10878be8d8fc9c61cbff33166cb1d1fe44391539243703c72766894fa834a
+FROM docker.io/library/ubuntu:24.04@sha256:278628f08d4979fb9af9ead44277dbc9c92c2465922310916ad0c46ec9999295
 
 SHELL ["/bin/bash", "-eo", "pipefail", "-c"]
 ENV LANG=en_US.UTF-8