Migrate from deprecated operator_libs_linux to charmlibs#201

Copilot wants to merge 2 commits intomaincanonical/github-runner-image-builder-operator:mainfrom

copilot/upgrade-operator-libs-to-charmlibscanonical/github-runner-image-builder-operator:copilot/upgrade-operator-libs-to-charmlibsCopy head branch name to clipboard