[6.14.z] Bump redis from 5.0.7 to 5.0.8 (#15810)

requirements-optional.txt

@@ -1,7 +1,7 @@
 # For running tests and checking code quality using these modules.
 flake8==7.1.0
 pytest-cov==5.0.0
-redis==5.0.7
+redis==5.0.8
 pre-commit==3.8.0
 
 # For generating documentation.