Update pydantic requirement from <2 to <3 in /topic/timeseries

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...v2.6.4)

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

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

topic/timeseries/requirements.txt

@@ -3,5 +3,5 @@ cratedb-toolkit[datasets]==0.0.7
 refinitiv-data<1.7
 pandas<2
 pycaret>=3.0,<3.4
-pydantic<2
+pydantic<3
 sqlalchemy<2