Update pydantic requirement from <2.0 to <3.0

Updates the requirements on [pydantic](https://github.com/pydantic/pydantic) to permit the latest version.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v0.0.2...v2.10.5)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -11,4 +11,4 @@ matplotlib<3.10.0
 scipy
 protobuf
 mct-quantizers==1.5.2
-pydantic<2.0
+pydantic<3.0