bump faucet per hour requests to 40

Update global faucet rate limit to 40 requests/hour rather than the c…

Author: ashucoder9

config.json

@@ -38,7 +38,7 @@
                 "WINDOW_SIZE": 1440
             },
             "COMMON_TOKEN_DISBURSAL_RL": {
-                "MAX_LIMIT": 20,
+                "MAX_LIMIT": 40,
                 "WINDOW_SIZE": 60
             }
         },
@@ -396,4 +396,4 @@
             }
         }
     ]
-}
+}