[3.x] Include executables in code signing process (dotnet#8354)

* Include executables in code signing

* Fix build.ps1 for debug builds

Remove inaccurate note on observer method return types (dotnet#8344)

Observer interfaces have the same restrictions as grain interfaces

Set VersionPrefix in nuget pack step (dotnet#8304)

Remove VersionSuffix altogether for now (dotnet#8110)

Update build SDK to .NET 7.0.0-rc2 (dotnet#8031)

Fix Source Link and packaging (dotnet#7919)

* Fix Source Link and packaging

* review feedback

* Fix DistributedTests build warnings

Remove Directory handoff on silo shutdown (dotnet#7909)

* Remove handoff on silo shutdown

* Simplify GrainDirectoryHandoffManager

Avoid accessing Assembly file path when publishing as a single file (d…

…otnet#7841)

* IL3000: Avoid accessing Assembly file path when publishing as a single file

* Update src/Orleans.Core/Runtime/RuntimeVersion.cs

Co-authored-by: Reuben Bond <[email protected]>

Validate constraints that are themselves generic correctly in Generic…

…MethodInvoker. (dotnet#7876)

Ensure timestamp is updated on codegen output for incremental builds (d…

…otnet#7687)