unable to access 'https://github.com/matrix-org/synapse/': Failed to connect to github.com port 443 after 35 ms: Connection refused

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Failed to download action 'https://api.github.com/repos/actions/checkout/tarball/8f4b7f84864484a7bf31766abe9204da3cbe65b3'. Error: Connection refused (api.github.com:443)

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Failed to download action 'https://api.github.com/repos/matrix-org/setup-python-poetry/tarball/73f6764225af23564c1677cc5ffc48bc66e619cb'. Error: Connection refused (codeload.github.com:443)