It looks like when trying to install plugins inside of a macos-latest (no issues on ubuntu-latest) environment within Github Actions it hangs on the cloning step of installing the listed plugins.
tmux.conf: https://github.com/rahul0705/dotfiles/blob/ci/terminals/tmux/tmux.conf
Installation script: https://github.com/rahul0705/dotfiles/blob/ci/meta/configs/tmux.yml
Example failure: https://github.com/rahul0705/dotfiles/runs/5715115210?check_suite_focus=true