Merge pull request #25 from microcmsio/update_example_v2.0.0

chore: update example v2.0.0

Author: hiro08gh

example/next/package-lock.json

@@ -8,7 +8,7 @@
     "start": "next start"
   },
   "dependencies": {
-    "microcms-js-sdk": "^1.2.0",
+    "microcms-js-sdk": "^2.0.0",
     "next": "10.2.0",
     "react": "17.0.2",
     "react-dom": "17.0.2"

example/next/package.json

@@ -10,6 +10,6 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "microcms-js-sdk": "^1.2.0"
+    "microcms-js-sdk": "^2.0.0"
   }
 }