chore(deps): bump pytest-cov from 7.0.0 to 7.1.0 in /mailbox-app

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 7.0.0 to 7.1.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v7.0.0...v7.1.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 7.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

mailbox-app/requirements/constraints.txt

@@ -13,7 +13,7 @@ packaging==26.2
 pip-audit==2.10.0
 pycparser==3.0
 pytest==9.1.1
-pytest-cov==7.0.0
+pytest-cov==7.1.0
 pytest-django==4.12.0
 python-dotenv==1.2.2
 ruff==0.15.17

mailbox-app/requirements/development.txt

@@ -3,6 +3,6 @@ bandit==1.9.4
 coverage==7.13.3
 pip-audit==2.10.0
 pytest==9.1.1
-pytest-cov==7.0.0
+pytest-cov==7.1.0
 pytest-django==4.12.0
 ruff==0.15.17