The support for python 2.7 was removed on June 19, 2023. Related issue: https://github.com/actions/setup-python/issues/672

Failed to save: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0GAGeaAAAAAB9czmqoJWwRJ5AHbyOrwWkQlkzRURHRTAzMDkARWRnZQ==

Failed to restore: Cache service responded with 400

CPython version >=2.7.0 <2.8.0-0 is not supported by actions/setup-python. This probably means you are using a deprecated version. If this is not the case, you may suppress the warning setting input "allow-build" to either "info" or "allow".