config: adjust testnet configuration for T4

Change the magic to 0xBA9304, add NeoXBurn schedule.

Signed-off-by: Anna Shaleva <[email protected]>

Author: AnnaShaleva

config/genesis_testnet.json

@@ -1,6 +1,6 @@
 {
   "config": {
-    "chainId": 12227331,
+    "chainId": 12227332,
     "homesteadBlock": 0,
     "eip150Block": 0,
     "eip155Block": 0,
@@ -15,6 +15,7 @@
     "arrowGlacierBlock": 0,
     "grayGlacierBlock": 0,
     "shanghaiTime": 0,
+    "neoXBurnTime": 0,
     "dbft": {
       "period": 10,
       "standbyValidators": [