chore(deps): update appium-python-client requirement in /finder/python

Updates the requirements on [appium-python-client](https://github.com/appium/python-client) to permit the latest version.
- [Release notes](https://github.com/appium/python-client/releases)
- [Changelog](https://github.com/appium/python-client/blob/master/CHANGELOG.rst)
- [Commits](appium/python-client@v2.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: appium-python-client
  dependency-type: direct:production
...

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

Author: dependabot[bot]

finder/python/setup.py

@@ -38,5 +38,5 @@
         'Topic :: Software Development :: Quality Assurance',
         'Topic :: Software Development :: Testing'
     ],
-    install_requires=['Appium-Python-Client >= 2.0.0, < 4']
+    install_requires=['Appium-Python-Client >= 2.0.0, < 5']
 )