Bump pandas-stubs from 2.3.2.250926 to 3.0.0.260204

Bumps [pandas-stubs](https://github.com/pandas-dev/pandas-stubs) from 2.3.2.250926 to 3.0.0.260204.
- [Changelog](https://github.com/pandas-dev/pandas-stubs/blob/main/docs/release_procedure.md)
- [Commits](pandas-dev/pandas-stubs@v2.3.2.250926...v3.0.0.260204)

---
updated-dependencies:
- dependency-name: pandas-stubs
  dependency-version: 3.0.0.260204
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -79,7 +79,7 @@ dev-pytest = [
   "pytest == 9.0.3",
   "pylint == 4.0.5",       # We need this to check for the examples
   "pandas == 3.0.2",
-  "pandas-stubs == 2.3.2.250926",
+  "pandas-stubs == 3.0.0.260204",
   "frequenz-repo-config[extra-lint-examples] == 0.17.0",
   "pytest-mock == 3.15.1",
   "pytest-asyncio == 1.3.0",