Bump deps (#43)

package.json

@@ -9,7 +9,7 @@
   ],
   "resolutions": {
     "babel-core": "^7.0.0-bridge.0",
-    "typescript": "^3.6.4"
+    "typescript": "^3.7.2"
   },
   "scripts": {
     "build": "./scripts/build.sh",
@@ -19,9 +19,9 @@
     "test": "./scripts/test-rust.sh"
   },
   "devDependencies": {
-    "@babel/core": "^7.6.4",
-    "@polkadot/dev": "^0.32.0-beta.11",
-    "@polkadot/util": "^1.6.0-beta.10",
+    "@babel/core": "^7.7.0",
+    "@polkadot/dev": "^0.32.0-beta.13",
+    "@polkadot/util": "^1.7.0-beta.4",
     "override-require": "^1.1.1"
   }
 }