##[warning]You should provide GitHub token if you want to download a python release. Otherwise you may hit the GitHub anonymous download limit.
##[error]Failed to download Python from the Github Actions python registry (https://github.com/actions/python-versions). Error: Error: Could not find Python matching spec 3.6 (x64) in the python-versions registry. Beware that only systems listed in the Github Actions python versions manifest (https://github.com/actions/python-versions/blob/main/versions-manifest.json) are fit for downloading python on-flight. Also, proxy is not supported.
##[error]Version spec 3.6 for architecture x64 did not match any version in Agent.ToolsDirectory.
Versions in /opt/hostedtoolcache:

3.10.8 (x64)
3.11.0 (x64)
3.7.15 (x64)
3.8.14 (x64)
3.9.15 (x64)
If this is a Microsoft-hosted agent, check that this image supports side-by-side versions of Python at https://aka.ms/hosted-agent-software.
If this is a self-hosted agent, see how to configure side-by-side Python versions at https://go.microsoft.com/fwlink/?linkid=871498.
Finishing: Use Python 3.6