update deps

package.json

@@ -7,24 +7,24 @@
     "url": "https://github.com/gatsbyjs/gatsby-starter-blog/issues"
   },
   "dependencies": {
-    "gatsby": "^1.9.118",
-    "gatsby-image": "^1.0.24",
-    "gatsby-link": "^1.6.28",
-    "gatsby-plugin-feed": "^1.3.13",
-    "gatsby-plugin-google-analytics": "^1.0.12",
-    "gatsby-plugin-offline": "^1.0.10",
+    "gatsby": "^1.9.236",
+    "gatsby-image": "^1.0.42",
+    "gatsby-link": "^1.6.39",
+    "gatsby-plugin-feed": "^1.3.20",
+    "gatsby-plugin-google-analytics": "^1.0.24",
+    "gatsby-plugin-offline": "^1.0.15",
     "gatsby-plugin-react-helmet": "^1.0.8",
-    "gatsby-plugin-sharp": "^1.6.21",
-    "gatsby-plugin-typography": "^1.7.10",
-    "gatsby-remark-copy-linked-files": "^1.5.21",
-    "gatsby-remark-images": "^1.5.32",
-    "gatsby-remark-prismjs": "^1.2.9",
-    "gatsby-remark-responsive-iframe": "^1.4.14",
-    "gatsby-remark-smartypants": "^1.4.8",
-    "gatsby-source-filesystem": "^1.5.8",
-    "gatsby-transformer-remark": "^1.7.21",
-    "gatsby-transformer-sharp": "^1.6.14",
-    "lodash": "^4.17.4",
+    "gatsby-plugin-sharp": "^1.6.41",
+    "gatsby-plugin-typography": "^1.7.18",
+    "gatsby-remark-copy-linked-files": "^1.5.30",
+    "gatsby-remark-images": "^1.5.56",
+    "gatsby-remark-prismjs": "^1.2.18",
+    "gatsby-remark-responsive-iframe": "^1.4.18",
+    "gatsby-remark-smartypants": "^1.4.12",
+    "gatsby-source-filesystem": "^1.5.27",
+    "gatsby-transformer-remark": "^1.7.37",
+    "gatsby-transformer-sharp": "^1.6.22",
+    "lodash": "^4.17.5",
     "react-responsive-grid": "^0.3.4",
     "typeface-merriweather": "0.0.43",
     "typeface-montserrat": "0.0.43",