[release/8.0.1xx-rc2.1] [CI] Ensure we use python 3 before we install the ESRP plugin.#19161

rolfbjarne merged 1 commit intodotnet:release/8.0.1xx-rc2.1dotnet/macios:release/8.0.1xx-rc2.1from

vs-mobiletools-engineering-service2:backport-pr-19147-to-release/8.0.1xx-rc2.1vs-mobiletools-engineering-service2/xamarin-macios:backport-pr-19147-to-release/8.0.1xx-rc2.1Copy head branch name to clipboard