Bump approvaltests from 17.4.3 to 18.0.5

Bumps [approvaltests](https://github.com/approvals/ApprovalTests.Python) from 17.4.3 to 18.0.5.
- [Release notes](https://github.com/approvals/ApprovalTests.Python/releases)
- [Commits](approvals/ApprovalTests.Python@v17.4.3...v18.0.5)

---
updated-dependencies:
- dependency-name: approvaltests
  dependency-version: 18.0.5
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -8,7 +8,7 @@
 invoke == 2.2.0
 mockito == 1.4.0
 robotstatuschecker == 4.1.1
-approvaltests == 17.4.3
+approvaltests == 18.0.5
 empty_files == 0.0.9
 pytest == 9.0.3
 pytest-mockito == 0.0.4