Update python-redis-lock requirement

Updates the requirements on [python-redis-lock](https://github.com/ionelmc/python-redis-lock) to permit the latest version.
- [Release notes](https://github.com/ionelmc/python-redis-lock/releases)
- [Changelog](https://github.com/ionelmc/python-redis-lock/blob/master/CHANGELOG.rst)
- [Commits](ionelmc/python-redis-lock@v3.4.0...v3.6.0)

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

requirements.txt

@@ -27,7 +27,7 @@ pycairo>=1.15.3
 pygobject>=3.27.0
 pyparsing>=2.4.0,<2.5.0
 python-dateutil>=2.8.1
-python-redis-lock>=3.4.0,<3.6.0
+python-redis-lock>=3.4.0,<3.7.0
 requests>=2.20.0,<2.25.0
 sentry_sdk>=0.13.0,<0.17.0
 setuptools>=36.0.1