build(deps-dev): bump slotscheck from 0.16.0 to 0.16.3 (#1542)

Bumps [slotscheck](https://github.com/ariebovenberg/slotscheck) from 0.16.0 to 0.16.3.
- [Release notes](https://github.com/ariebovenberg/slotscheck/releases)
- [Changelog](https://github.com/ariebovenberg/slotscheck/blob/main/CHANGELOG.rst)
- [Commits](ariebovenberg/slotscheck@v0.16...v0.16.3)

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

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

Author: dependabot[bot]

poetry.lock

@@ -80,7 +80,7 @@ flake8-pyi = "^22.10"
 # correctly with Python 3.10. That lib is a dependency of `nitpick`!
 nitpick = { version = "^0.32", python = "<3.10" }
 codespell = "^2.2"
-slotscheck = "^0.16.0"
+slotscheck = "^0.16.3"
 
 safety = "^2.3"