[6.16.z] Bump redis from 5.1.1 to 5.2.0 (#16780)

requirements-optional.txt

@@ -1,6 +1,6 @@
 # For running tests and checking code quality using these modules.
 pytest-cov==5.0.0
-redis==5.1.1
+redis==5.2.0
 pre-commit==4.0.1
 ruff==0.7.1