Change Yaeus sleep afer PTT off to 300ms instead of 100ms

DX3000 was failing frequency change in Fake It mode probably due to antenna switching times
This was a separate rx/tx antennas

rigs/yaesu/newcat.c

@@ -1945,7 +1945,9 @@ int newcat_set_ptt(RIG *rig, vfo_t vfo, ptt_t ptt)
                 && rig->state.current_mode != RIG_MODE_CWN
            )
         {
-            hl_usleep(100 * 1000);
+            // DX3000 with seperate rx/tx antennas was failing frequency change
+            // so we increased the sleep from 100ms to 300ms
+            hl_usleep(300 * 1000);
         }
 
         break;

rigs/yaesu/newcat.h

@@ -50,7 +50,7 @@
 typedef char ncboolean;
 
 /* shared function version */
-#define NEWCAT_VER "20230526"
+#define NEWCAT_VER "20230531"
 
 /* Hopefully large enough for future use, 128 chars plus '\0' */
 #define NEWCAT_DATA_LEN                 129