fix: upgrade @solana/spl-token from 0.3.11 to 0.4.6

Snyk has created this PR to upgrade @solana/spl-token from 0.3.11 to 0.4.6.

See this package in npm:
@solana/spl-token

See this project in Snyk:
https://app.snyk.io/org/okeamah/project/dbc3fd58-52be-4b8d-95be-b7f46d7c9e8f?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -93,7 +93,7 @@
   },
   "dependencies": {
     "@project-serum/anchor": "^0.25.0",
-    "@solana/spl-token": "^0.3.8",
+    "@solana/spl-token": "^0.4.6",
     "@solana/web3.js": "^1.78.5",
     "@types/big.js": "^6.2.0",
     "assert": "^2.1.0",