chore(deps-dev): bump mkdocstrings from 1.0.2 to 1.0.3 (#743)

Bumps [mkdocstrings](https://github.com/mkdocstrings/mkdocstrings) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/mkdocstrings/mkdocstrings/releases)
- [Changelog](https://github.com/mkdocstrings/mkdocstrings/blob/main/CHANGELOG.md)
- [Commits](mkdocstrings/mkdocstrings@1.0.2...1.0.3)

---
updated-dependencies:
- dependency-name: mkdocstrings
  dependency-version: 1.0.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]