feat(x402): Updated to x402 V2

package.json

@@ -19,20 +19,20 @@
   "dependencies": {
     "@coinbase/cdp-sdk": "1.45.0",
     "@psf/bch-js": "7.1.14",
+    "@x402/axios": "2.6.0",
     "@x402/core": "2.6.0",
     "@x402/evm": "2.6.0",
+    "@x402/express": "2.6.0",
     "axios": "1.7.7",
     "cors": "2.8.5",
     "dotenv": "16.3.1",
+    "ethers": "6.13.5",
     "express": "5.1.0",
     "minimal-slp-wallet": "7.1.5",
     "psffpp": "1.2.1",
     "slp-token-media": "1.2.10",
     "winston": "3.11.0",
-    "winston-daily-rotate-file": "4.7.1",
-    "x402-axios": "1.1.0",
-    "x402-express": "1.1.0",
-    "x402-fetch": "1.1.0"
+    "winston-daily-rotate-file": "4.7.1"
   },
   "devDependencies": {
     "apidoc": "1.2.0",