chore(deps): update ubuntu:24.04 docker digest to 8a37d68

Dockerfile

 # renovate: datasource=docker
-ARG UBUNTU_IMAGE_TAG=24.04@sha256:a68b7d8b873b955e10337a18c79334a9d95dced834f85714890aa5ed7f6b2692
+ARG UBUNTU_IMAGE_TAG=24.04@sha256:8a37d68f4f73ebf3d4efafbcf66379bf3728902a8038616808f04e34a9ab63ee
 FROM ubuntu:${UBUNTU_IMAGE_TAG}
 
 ARG WITH_IPERF=1