Disables HttpClient Timeout for standard resilience and hending handlers

Adds a note mentioning requirements on the Grpc.Net.ClientFactory version to avoid issues with the M.E.Http.Resilience package

Added a target that notifies users that they use a version of the Grpc.Net.ClientFactory package that might cause the dotnet#4924 issue

Revert changes to the Directory.Build.targets

Adds a target that checks whether M.E.Http.Resilience package is used together with Grpc.Net.ClientFactory 2.64.0 or later. If not the target warns a user.

Adds a Known issues section to the doc describing the issue with Grpc.Net.ClientFactory

* Moves the contents of the .props file into the .targets file
* For net462 we now import the contents of the .targets file instead of setting it as a CDATA value in the .csproj file

Replaces the name of the project file with the MSBuildProjectName variable

* Add conditions to pack buildTransitive .targets for net462 only when net462 is included as a target framework
* Changed the documentation link to the learn.microsoft.com site

* Applies editorial changes to the Known issues section

* Changes the level of the compatibility log messages from Error to Warning
* Updates the logic of copying buildTransitive files