Bump the dev-dependencies group with 2 updates

Bumps the dev-dependencies group with 2 updates: [pytest](https://github.com/pytest-dev/pytest) and [pytest-mock](https://github.com/pytest-dev/pytest-mock).


Updates `pytest` from 8.4.1 to 8.4.2
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.4.1...8.4.2)

Updates `pytest-mock` from 3.14.1 to 3.15.0
- [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@v3.14.1...v3.15.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
- dependency-name: pytest-mock
  dependency-version: 3.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -35,8 +35,8 @@ dependencies = [
 
 [project.optional-dependencies]
 testing = [
-    "pytest==8.4.1",
+    "pytest==8.4.2",
     "pytest-asyncio==1.1.0",
-    "pytest-mock==3.14.1",
+    "pytest-mock==3.15.0",
     "responses==0.25.8",
 ]