chore(deps-dev): bump types-pywin32 in /requirements in the types group (aws#8002)

Bumps the types group in /requirements with 1 update: [types-pywin32](https://github.com/typeshed-internal/stub_uploader).


Updates `types-pywin32` from 310.0.0.20250319 to 310.0.0.20250428
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: types-pywin32
  dependency-version: 310.0.0.20250428
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: types
...

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

Author: dependabot[bot]

requirements/dev.txt

@@ -10,7 +10,7 @@ pytest-cov==5.0.0; python_version<"3.9"
 # mypy adds new rules in new minor versions, which could cause our PR check to fail
 # here we fix its version and upgrade it manually in the future
 mypy==1.15.0
-types-pywin32==310.0.0.20250319; python_version>="3.9"
+types-pywin32==310.0.0.20250428; python_version>="3.9"
 types-pywin32==308.0.0.20241221; python_version<"3.9"
 types-PyYAML==6.0.12.20250402
 types-chevron==0.14.2.20250103