raise minimum ubuntu version to 24.04

Author: peter-urban

.github/workflows/ci-linux.yml

@@ -63,7 +63,7 @@ jobs:
           - { container: 'ghcr.io/themachinethatgoesping/ubuntu-dep:latest',
               ccache: 'true',
               pip2: 'pip install -r requirements.txt --break-system-packages' }
-          - { container: 'ubuntu:22.04', 
+          - { container: 'ubuntu:24.04', 
               ccache: 'true',
               pre-dep : 'apt update && apt-get install -y sudo git git-lfs', 
               dep : 'sudo DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential ccache pkg-config cmake python3-pip libboost-all-dev libcurl4-openssl-dev',