Bump pipx from 1.16.2 to 1.16.5 (#480)

Bumps [pipx](https://github.com/pypa/pipx) from 1.16.2 to 1.16.5.
- [Release notes](https://github.com/pypa/pipx/releases)
- [Changelog](https://github.com/pypa/pipx/blob/main/docs/changelog.rst)
- [Commits](pypa/pipx@1.16.2...1.16.5)

---
updated-dependencies:
- dependency-name: pipx
  dependency-version: 1.16.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]