Bump approvaltests from 8.4.1 to 16.3.0

Bumps [approvaltests](https://github.com/approvals/ApprovalTests.Python) from 8.4.1 to 16.3.0.
- [Release notes](https://github.com/approvals/ApprovalTests.Python/releases)
- [Commits](approvals/ApprovalTests.Python@v8.4.1...v16.3.0)

---
updated-dependencies:
- dependency-name: approvaltests
  dependency-version: 16.3.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -3,7 +3,7 @@
 invoke >= 2.2.0 
 mockito >= 1.4.0 
 robotstatuschecker >= 3.0.1 
-approvaltests == 8.4.1
+approvaltests == 16.3.0
 empty_files >= 0.0.9
 pytest >= 7.4.0 
 pytest-mockito >= 0.0.4