Bump deps (#371)

* Bump deps

* Headers

package.json

@@ -9,7 +9,7 @@
   ],
   "resolutions": {
     "babel-core": "^7.0.0-bridge.0",
-    "typescript": "^4.0.2"
+    "typescript": "^4.0.3"
   },
   "scripts": {
     "build": "polkadot-dev-build-ts",
@@ -32,7 +32,7 @@
   "devDependencies": {
     "@babel/core": "^7.11.6",
     "@babel/runtime": "^7.11.2",
-    "@polkadot/dev": "^0.55.52",
+    "@polkadot/dev": "^0.55.54",
     "@polkadot/ts": "^0.3.47",
     "@types/jest": "^26.0.14",
     "babel-plugin-transform-vue-template": "^0.4.2",