Add --allow-gpl flag to plugin update-db command and runtime override feature to ConfigManager#545

Copilot wants to merge 7 commits intoadd-gpl-license-checkllnl/Surfactant:add-gpl-license-checkfrom

copilot/add-allow-gpl-command-line-optionllnl/Surfactant:copilot/add-allow-gpl-command-line-optionCopy head branch name to clipboard