chore(deps): update actions/setup-python action to v6#421

renovate-bot wants to merge 1 commit intoGoogleCloudPlatform:mainGoogleCloudPlatform/functions-framework-python:mainfrom

renovate-bot:renovate/actions-setup-python-6.xrenovate-bot/GoogleCloudPlatform-_-functions-framework-python:renovate/actions-setup-python-6.xCopy head branch name to clipboard