chore(deps): Bump deps to latest (#340)

package.json

@@ -20,13 +20,14 @@
     "test": "jest"
   },
   "dependencies": {
-    "@polkadot/api": "2.10.1",
-    "@types/memoizee": "^0.4.3"
+    "@polkadot/api": "3.0.1",
+    "@types/memoizee": "^0.4.3",
+    "memoizee": "^0.4.14"
   },
   "devDependencies": {
     "@types/jest": "^26.0.0",
-    "@typescript-eslint/eslint-plugin": "^4.3.0",
-    "@typescript-eslint/parser": "^4.3.0",
+    "@typescript-eslint/eslint-plugin": "^4.10.0",
+    "@typescript-eslint/parser": "^4.10.0",
     "eslint": "^7.15.0",
     "eslint-config-prettier": "^7.0.0",
     "eslint-plugin-prettier": "^3.1.4",