build(deps-dev): update pytest-mock requirement from ^3.14.0 to ^3.15.1

Updates the requirements on [pytest-mock](https://github.com/pytest-dev/pytest-mock) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest-mock/releases)
- [Changelog](https://github.com/pytest-dev/pytest-mock/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-mock@v3.14.0...v3.15.1)

---
updated-dependencies:
- dependency-name: pytest-mock
  dependency-version: 3.15.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -18,7 +18,7 @@ aws-xray-sdk = "^2.13.0"
 black = "^26.1.0"
 ruff = "^0.15.0"
 pytest = "^9.0.0"
-pytest-mock = "^3.14.0"
+pytest-mock = "^3.15.1"
 pytest-cov = "^7.0.0"
 isort = "^8.0.0"
 taskipy = "^1.12.2"