Bump apispec from 4.6.0 to 4.7.1

Bumps [apispec](https://github.com/marshmallow-code/apispec) from 4.6.0 to 4.7.1.
- [Release notes](https://github.com/marshmallow-code/apispec/releases)
- [Changelog](https://github.com/marshmallow-code/apispec/blob/dev/CHANGELOG.rst)
- [Commits](marshmallow-code/apispec@4.6.0...4.7.1)

---
updated-dependencies:
- dependency-name: apispec
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]