build(deps-dev): bump approvaltests from 18.0.5 to 18.1.0

Bumps [approvaltests](https://github.com/approvals/ApprovalTests.Python) from 18.0.5 to 18.1.0.
- [Release notes](https://github.com/approvals/ApprovalTests.Python/releases)
- [Commits](approvals/ApprovalTests.Python@v18.0.5...v18.1.0)

---
updated-dependencies:
- dependency-name: approvaltests
  dependency-version: 18.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Browser/dev-requirements.txt

@@ -9,7 +9,7 @@ wheel>=0.47.0
 robotframework-pabot >= 5.2.2
 robotstatuschecker >= 4.1.1
 rellu >= 2.0.2
-approvaltests == 18.0.5
+approvaltests == 18.1.0
 pytest-mock==3.15.1
 Pillow==12.2.0
 # Required for injecting google analytics tags on release