Add prereq tasks under SDK release details tab - only GA

[maririos]

• If it is a GA release:
  • User needs to confirm that it has been a month between the last beta release of the package and the release of the GA package
  • No breaking change attestation https://github.com/Azure/azure-sdk-tools/issues/6452

[maririos]

@josefree do you have a link to documentation where this policy is written?

User needs to confirm that it has been a month between the last beta release of the package and the release of the GA package

[josefree]

it is here https://azure.github.io/azure-sdk/policies_releases.html#beta-releases-and-stable-graduation