[release/8.0-staging] Backport Replace test certificate chain that uses RSA+SHA-1#121670

vcsjones wants to merge 10 commits intorelease/8.0-stagingdotnet/runtime:release/8.0-stagingfrom

backport-121450-to-release-8.0dotnet/runtime:backport-121450-to-release-8.0Copy head branch name to clipboard