chore(deps-dev): update types-requests requirement

---
updated-dependencies:
- dependency-name: types-requests
  dependency-type: direct:development
...

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

requirements/dev.txt

@@ -13,4 +13,4 @@ pytest==8.3.3
 pytest-dotenv==0.5.2
 raincoat==1.2.4
 types-Markdown==3.7.0.20240822
-types-requests<2.32.0.20240908 # See note in https://pypi.org/project/types-requests/ as opensearch-py 2.5.0 requires urllib3<2,>=1.26.18
+types-requests<2.32.0.20240915 # See note in https://pypi.org/project/types-requests/ as opensearch-py 2.5.0 requires urllib3<2,>=1.26.18