MAINT: Bump the testing group in /.devcontainer with 1 update (#2946)

Bumps the testing group in /.devcontainer with 1 update: [pytest-cov](https://github.com/pytest-dev/pytest-cov).


Updates `pytest-cov` from 4.1.0 to 5.0.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v4.1.0...v5.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: testing
...

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

Author: dependabot[bot]

.devcontainer/codespaces-dev/requirements.txt

@@ -5,7 +5,7 @@ scipy==1.12.0
 pandas==2.2.1
 pyiges[full]==0.3.1
 pytest==8.1.1
-pytest-cov==4.1.0
+pytest-cov==5.0.0
 pyvista==0.43.4
 pyansys-tools-report==0.7.0
 vtk==9.3.0

.devcontainer/devcontainer-local/requirements.txt

@@ -5,7 +5,7 @@ scipy==1.12.0
 pandas==2.2.1
 pyiges[full]==0.3.1
 pytest==8.1.1
-pytest-cov==4.1.0
+pytest-cov==5.0.0
 pyvista==0.43.4
 pyansys-tools-report==0.7.0
 vtk==9.3.0