Reduce allocations in ObjectGraphVisitor

| Method    | Runtime              | Mean     | Error     | StdDev   | Gen0      | Exceptions | Gen1     | Gen2     | Allocated |
|---------- |--------------------- |---------:|----------:|---------:|----------:|-----------:|---------:|---------:|----------:|
| Serialize | .NET 6.0             | 31.57 ms | 18.916 ms | 1.037 ms | 1093.7500 |          - | 375.0000 | 156.2500 |   7.19 MB |
| Serialize | .NET Framework 4.7.2 | 29.71 ms |  2.817 ms | 0.154 ms | 1093.7500 |          - | 531.2500 | 156.2500 |   7.18 MB |

Set ErrorLog property if not set by user

Support diff in CLI

Clean up analyzer suggestions

Normalize line endings to '\n' and encoding to UTF-8

Update actions for release