Bump the prod-dependencies group across 1 directory with 3 updates

Bumps the prod-dependencies group with 3 updates in the / directory: [pytest-cov](https://github.com/pytest-dev/pytest-cov), [copier](https://github.com/copier-org/copier) and [copier-templates-extensions](https://github.com/copier-org/copier-templates-extensions).


Updates `pytest-cov` from 6.0.0 to 6.1.1
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.0.0...v6.1.1)

Updates `copier` from 9.6.0 to 9.7.1
- [Release notes](https://github.com/copier-org/copier/releases)
- [Changelog](https://github.com/copier-org/copier/blob/master/CHANGELOG.md)
- [Commits](copier-org/copier@v9.6.0...v9.7.1)

Updates `copier-templates-extensions` from 0.3.0 to 0.3.1
- [Release notes](https://github.com/copier-org/copier-templates-extensions/releases)
- [Changelog](https://github.com/copier-org/copier-templates-extensions/blob/main/CHANGELOG.md)
- [Commits](copier-org/copier-template-extensions@0.3.0...0.3.1)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-version: 6.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-dependencies
- dependency-name: copier
  dependency-version: 9.7.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-dependencies
- dependency-name: copier-templates-extensions
  dependency-version: 0.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: prod-dependencies
...

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Author: dependabot[bot]