Remove outdated guard for hiredis-py

The guard was required to prevent cluster tests on RESP3 with hiredis-py before 3.1.0

Author: uglide

.github/actions/run-tests/action.yml

@@ -125,12 +125,10 @@ runs:
           fi
 
           echo "::endgroup::"
-    
-          if [ "$protocol" == "2" ] || [ "${{inputs.parser-backend}}" != 'hiredis' ]; then
-            echo "::group::RESP${protocol} cluster tests"
-            invoke cluster-tests $eventloop --protocol=${protocol}
-            echo "::endgroup::"
-          fi
+            
+          echo "::group::RESP${protocol} cluster tests"
+          invoke cluster-tests $eventloop --protocol=${protocol}
+          echo "::endgroup::"          
         }
 
         run_tests 2 "${{inputs.event-loop}}"