feat: new version (#32)

Author: baiirun

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@graphprotocol/grc-20",
-  "version": "0.5.4",
+  "version": "0.5.5",
   "license": "MIT",
   "module": "./dist/index.js",
   "types": "./dist/index.d.ts",