port: Create pipelines to unlist deprecated packages on 4 feeds (#5827)

[github-actions[bot]]

The changes in Create pipelines to unlist deprecated packages on 4 feeds (#5827) may need to be ported to maintain parity with microsoft/botbuilder-dotnet.

Fixes #5818

Description

Feeds are MyGet, NuGet, Azure, npm.

Pipelines are: Unlist-DotNet-Packages-On-Azure Unlist-DotNet-Packages-On-MyGet Unlist-DotNet-Packages-On-NuGet Unlist-Packages-On-Npm View-Npm-Package-Versions-On-MyGet ("Unlist" is not supported. "View" is.)

The pipelines are currently configured to not actually unlist, for safety. They can be activated at any time.

Unlisting DotNet on Azure is not tested because lacking authorization. Unlisting DotNet on NuGet is not tested because lacking authorization. Unlisting JS on npm is not tested because lacking authorization.

Specific Changes

5 yaml files created

Please review and, if necessary, port the changes.