disable dotnet format temporarily (#5088) (#5111)

Co-authored-by: Chris Elion <chris.elion@unity3d.com>

.pre-commit-config.yaml

         name: validate release links
         language: script
         entry: utils/validate_release_links.py
-    -   id: dotnet-format
-        name: dotnet-format
-        language: script
-        entry: utils/run_dotnet_format.py
-        types: [c#]