chore(deps): update ubuntu:24.04 docker digest to c4a8d55

Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

charts/query-test/container/Dockerfile

@@ -1,5 +1,5 @@
 FROM grafana/pyroscope:1.19.0@sha256:6e8084763afe8e362ff16342b5c019dfa00c6ca6e85ba2dce81af38b4c6afbb2 AS pyroscope
-FROM ubuntu:24.04@sha256:186072bba1b2f436cbb91ef2567abca677337cfc786c86e107d25b7072feef0c
+FROM ubuntu:24.04@sha256:c4a8d5503dfb2a3eb8ab5f807da5bc69a85730fb49b5cfca2330194ebcc41c7b
 
 LABEL org.opencontainers.image.source=https://github.com/grafana/helm-chart-toolbox
 LABEL org.opencontainers.image.description="Helm Chart Toolbox - Query Test"