Bump dirty-equals from 0.5.0 to 0.6.0

Bumps [dirty-equals](https://github.com/samuelcolvin/dirty-equals) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/samuelcolvin/dirty-equals/releases)
- [Commits](samuelcolvin/dirty-equals@v0.5.0...v0.6.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -279,7 +279,7 @@ dev = [
     "VWS-Test-Fixtures==2023.3.5",
     "black==23.3.0",
     "check-manifest==0.49",
-    "dirty-equals==0.5.0",
+    "dirty-equals==0.6.0",
     # We pin to an old doc8 to avoid version conflicts with sphinx_toolbox.
     # When we bump this, we can remove doc8.ini.
     "doc8==0.11.2",