fix(starters): update dependency gatsby to ^2.0.116 (#11596)

This PR contains the following updates:

| Package | Type | Update | Change | References |
|---|---|---|---|---|
| gatsby | dependencies | patch | `^2.0.115` -> `^2.0.116` | [source](https://togithub.com/gatsbyjs/gatsby) |

---

### Release Notes

<details>
<summary>gatsbyjs/gatsby</summary>

### [`v2.0.116`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.0.115...gatsby@2.0.116)

[Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.0.115...gatsby@2.0.116)

</details>

---

### Renovate configuration

📅 **Schedule**: At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻️ **Rebasing**: Whenever PR becomes conflicted, or if you modify the PR title to begin with "`rebase!`".

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- renovate-rebase -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://togithub.com/marketplace/renovate). View repository job log [here](https://renovatebot.com/dashboard#gatsbyjs/gatsby).

package.json

@@ -12,7 +12,7 @@
     "test": "echo \"Write tests! -> https://gatsby.app/unit-testing\""
   },
   "dependencies": {
-    "gatsby": "^2.0.115",
+    "gatsby": "^2.0.116",
     "react": "^16.8.0",
     "react-dom": "^16.8.0"
   },