Bump max trainer level to 80 in defaults-config.json

Author: Chefkeks

config/defaults-config.json

@@ -101,7 +101,7 @@
   "RAID_EX_GYM_MARKER":"icon",
   "RAID_CREATION_EX_GYM_MARKER": true,
   "UPGRADE_SQL_AUTO": true,
-  "TRAINER_MAX_LEVEL":"50",
+  "TRAINER_MAX_LEVEL":"80",
   "TRAINER_CHATS":"",
   "SHARE_CHATS":"",
   "SHARE_CHATS_LEVEL_X":"",