Update maxValue for initial reading in Test_TC_I_2_2.yaml (project-chip#41391)

The identify is called with 60s, so the value shall never be higher than 60

Author: Apollon77

src/app/tests/suites/certification/Test_TC_I_2_2.yaml

@@ -77,7 +77,7 @@ tests:
       response:
           constraints:
               minValue: 51
-              maxValue: 69
+              maxValue: 60
 
     - label: "Wait 10000ms"
       cluster: "DelayCommands"