Update actions/core for releases/v3 (actions#624)

Update actions/core for releases/v3 (actions#624)

update actions/core (actions#625)

Fix outdated ref to actions/setup-python@v3 in doc (actions#581)

Fix outdated ref to actions/setup-python@v3 in doc (actions#581)

Install multiple python versions (actions#567)

Add OS info to the error message (actions#559)

Update actions/core to 1.10.0 for v2 (actions#533)

Update actions/core to 1.10.0 for v2 (actions#533)

Merge pull request actions#517 from rentziass/rentziass/update-action…

…s-core

Update @actions/core to 1.10.0