feat(controlplane): run federated graph composition in worker pool to unblock main event loop#2326

pepol wants to merge 9 commits intomainwundergraph/cosmo:mainfrom

peter/eng-8238-mitigate-event-loop-block-in-cosmo-controlplanewundergraph/cosmo:peter/eng-8238-mitigate-event-loop-block-in-cosmo-controlplaneCopy head branch name to clipboard