fix(starters): update gatsby monorepo (#12498)

This PR contains the following updates:

| Package | Type | Update | Change | References |
|---|---|---|---|---|
| gatsby | dependencies | patch | [`^2.1.29` -> `^2.1.30`](https://diff.intrinsic.com/gatsby/2.1.29/2.1.30) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-image | dependencies | patch | [`^2.0.31` -> `^2.0.32`](https://diff.intrinsic.com/gatsby-image/2.0.31/2.0.32) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-plugin-feed | dependencies | patch | [`^2.0.14` -> `^2.0.15`](https://diff.intrinsic.com/gatsby-plugin-feed/2.0.14/2.0.15) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-plugin-google-analytics | dependencies | patch | [`^2.0.16` -> `^2.0.17`](https://diff.intrinsic.com/gatsby-plugin-google-analytics/2.0.16/2.0.17) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-plugin-manifest | dependencies | patch | [`^2.0.22` -> `^2.0.23`](https://diff.intrinsic.com/gatsby-plugin-manifest/2.0.22/2.0.23) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-plugin-offline | dependencies | patch | [`^2.0.24` -> `^2.0.25`](https://diff.intrinsic.com/gatsby-plugin-offline/2.0.24/2.0.25) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-plugin-react-helmet | dependencies | patch | [`^3.0.8` -> `^3.0.9`](https://diff.intrinsic.com/gatsby-plugin-react-helmet/3.0.8/3.0.9) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-plugin-sharp | dependencies | patch | [`^2.0.26` -> `^2.0.27`](https://diff.intrinsic.com/gatsby-plugin-sharp/2.0.26/2.0.27) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-plugin-typography | dependencies | patch | [`^2.2.8` -> `^2.2.9`](https://diff.intrinsic.com/gatsby-plugin-typography/2.2.8/2.2.9) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-remark-copy-linked-files | dependencies | patch | [`^2.0.9` -> `^2.0.10`](https://diff.intrinsic.com/gatsby-remark-copy-linked-files/2.0.9/2.0.10) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-remark-prismjs | dependencies | patch | [`^3.2.4` -> `^3.2.5`](https://diff.intrinsic.com/gatsby-remark-prismjs/3.2.4/3.2.5) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-remark-responsive-iframe | dependencies | patch | [`^2.0.9` -> `^2.0.10`](https://diff.intrinsic.com/gatsby-remark-responsive-iframe/2.0.9/2.0.10) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-remark-smartypants | dependencies | patch | [`^2.0.8` -> `^2.0.9`](https://diff.intrinsic.com/gatsby-remark-smartypants/2.0.8/2.0.9) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-source-filesystem | dependencies | patch | [`^2.0.23` -> `^2.0.24`](https://diff.intrinsic.com/gatsby-source-filesystem/2.0.23/2.0.24) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-transformer-remark | dependencies | patch | [`^2.3.1` -> `^2.3.2`](https://diff.intrinsic.com/gatsby-transformer-remark/2.3.1/2.3.2) | [source](https://togithub.com/gatsbyjs/gatsby) |
| gatsby-transformer-sharp | dependencies | patch | [`^2.1.15` -> `^2.1.16`](https://diff.intrinsic.com/gatsby-transformer-sharp/2.1.15/2.1.16) | [source](https://togithub.com/gatsbyjs/gatsby) |

---

### Release Notes

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

### [`v2.1.30`](https://togithub.com/gatsbyjs/gatsby/compare/[email protected]@2.1.30)

[Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/[email protected]@2.1.30)

</details>

---

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---

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Author: renovate[bot]

starters/blog/package-lock.json

@@ -8,23 +8,23 @@
     "url": "https://github.com/gatsbyjs/gatsby/issues"
   },
   "dependencies": {
-    "gatsby": "^2.1.29",
-    "gatsby-image": "^2.0.31",
-    "gatsby-plugin-feed": "^2.0.14",
-    "gatsby-plugin-google-analytics": "^2.0.16",
-    "gatsby-plugin-manifest": "^2.0.22",
-    "gatsby-plugin-offline": "^2.0.24",
-    "gatsby-plugin-react-helmet": "^3.0.8",
-    "gatsby-plugin-sharp": "^2.0.26",
-    "gatsby-plugin-typography": "^2.2.8",
-    "gatsby-remark-copy-linked-files": "^2.0.9",
+    "gatsby": "^2.1.30",
+    "gatsby-image": "^2.0.32",
+    "gatsby-plugin-feed": "^2.0.15",
+    "gatsby-plugin-google-analytics": "^2.0.17",
+    "gatsby-plugin-manifest": "^2.0.23",
+    "gatsby-plugin-offline": "^2.0.25",
+    "gatsby-plugin-react-helmet": "^3.0.9",
+    "gatsby-plugin-sharp": "^2.0.27",
+    "gatsby-plugin-typography": "^2.2.9",
+    "gatsby-remark-copy-linked-files": "^2.0.10",
     "gatsby-remark-images": "^2.0.6",
-    "gatsby-remark-prismjs": "^3.2.4",
-    "gatsby-remark-responsive-iframe": "^2.0.9",
-    "gatsby-remark-smartypants": "^2.0.8",
-    "gatsby-source-filesystem": "^2.0.23",
-    "gatsby-transformer-remark": "^2.3.1",
-    "gatsby-transformer-sharp": "^2.1.15",
+    "gatsby-remark-prismjs": "^3.2.5",
+    "gatsby-remark-responsive-iframe": "^2.0.10",
+    "gatsby-remark-smartypants": "^2.0.9",
+    "gatsby-source-filesystem": "^2.0.24",
+    "gatsby-transformer-remark": "^2.3.2",
+    "gatsby-transformer-sharp": "^2.1.16",
     "prismjs": "^1.15.0",
     "react": "^16.8.4",
     "react-dom": "^16.8.4",