Bump types-python-dateutil in /requirements

Bumps [types-python-dateutil](https://github.com/typeshed-internal/stub_uploader) from 2.9.0.20241003 to 2.9.0.20250809.
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20250809
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/requirements-lint.txt

@@ -233,9 +233,9 @@ types-pyopenssl==24.1.0.20240722 \
     --hash=sha256:47913b4678a01d879f503a12044468221ed8576263c1540dcb0484ca21b08c39 \
     --hash=sha256:6a7a5d2ec042537934cfb4c9d4deb0e16c4c6250b09358df1f083682fe6fda54
     # via types-redis
-types-python-dateutil==2.9.0.20241003 \
-    --hash=sha256:250e1d8e80e7bbc3a6c99b907762711d1a1cdd00e978ad39cb5940f6f0a87f3d \
-    --hash=sha256:58cb85449b2a56d6684e41aeefb4c4280631246a0da1a719bdbe6f3fb0317446
+types-python-dateutil==2.9.0.20250809 \
+    --hash=sha256:69cbf8d15ef7a75c3801d65d63466e46ac25a0baa678d89d0a137fc31a608cc1 \
+    --hash=sha256:768890cac4f2d7fd9e0feb6f3217fce2abbfdfc0cadd38d11fba325a815e4b9f
     # via -r requirements-lint.in
 types-pytz==2024.2.0.20241003 \
     --hash=sha256:3e22df1336c0c6ad1d29163c8fda82736909eb977281cb823c57f8bae07118b7 \