build(deps-dev): bump pandas-stubs from 2.3.3.251201 to 2.3.3.251219 (#812)

Bumps [pandas-stubs](https://github.com/pandas-dev/pandas-stubs) from 2.3.3.251201 to 2.3.3.251219.
- [Changelog](https://github.com/pandas-dev/pandas-stubs/blob/main/docs/release_procedure.md)
- [Commits](https://github.com/pandas-dev/pandas-stubs/compare/v2.3.3.251201...v2.3.3.251219)

---
updated-dependencies:
- dependency-name: pandas-stubs
  dependency-version: 2.3.3.251219
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-dev.txt

@@ -12,7 +12,7 @@
 pre-commit==4.5.0
 mypy==1.19.1
 types-requests==2.32.4.20250913 # for mypy
-pandas-stubs==2.3.3.251201 # for mypy
+pandas-stubs==2.3.3.251219 # for mypy
 tokenize-rt==6.2.0 # for mypy
 types-docutils==0.22.3.20251115 # for mypy
 types-PyYaml==6.0.12.20250915 # for mypy