Bump reorder-python-imports from 3.15.0 to 3.16.0 in /.github/workflows

Bumps [reorder-python-imports](https://github.com/asottile/reorder-python-imports) from 3.15.0 to 3.16.0.
- [Commits](asottile/reorder-python-imports@v3.15.0...v3.16.0)

---
updated-dependencies:
- dependency-name: reorder-python-imports
  dependency-version: 3.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/constraints.txt

@@ -2,4 +2,4 @@ pip==25.2
 black==25.9.0
 pre-commit==4.3.0
 flake8==7.3.0
-reorder-python-imports==3.15.0
+reorder-python-imports==3.16.0