Bump blackdoc from 0.4.1 to 0.4.3

Bumps [blackdoc](https://github.com/keewis/blackdoc) from 0.4.1 to 0.4.3.
- [Release notes](https://github.com/keewis/blackdoc/releases)
- [Changelog](https://github.com/keewis/blackdoc/blob/main/doc/changelog.rst)
- [Commits](keewis/blackdoc@v0.4.1...v0.4.3)

---
updated-dependencies:
- dependency-name: blackdoc
  dependency-version: 0.4.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -66,7 +66,7 @@ dependencies = [
 dev = [
   # Dev tools and testing
   "black ==25.1.0",
-  "blackdoc ==0.4.1",
+  "blackdoc ==0.4.3",
   "bump-my-version >=1.2.0",
   "coverage >=7.5.0",
   "filelock >=3.14.0",