switch PROCESS_STATE_CHANGE to PROCESS_STATE in docs

docs/configuration.rst

@@ -1268,7 +1268,7 @@ above constraints and additions.
    command=/bin/eventlistener
    process_name=%(program_name)s_%(process_num)02d
    numprocs=5
-   events=PROCESS_STATE_CHANGE
+   events=PROCESS_STATE
    buffer_size=10
    priority=-1
    autostart=true

docs/events.rst

@@ -87,7 +87,7 @@ follows.
 
    [eventlistener:mylistener]
    command=my_custom_listener.py
-   events=PROCESS_STATE_CHANGE,TICK_60
+   events=PROCESS_STATE,TICK_60
 
 .. note::