⬆️ Update dependencies

Author: aileen

package.json

@@ -24,7 +24,7 @@
   "devDependencies": {
     "@testing-library/cypress": "4.0.2",
     "@tryghost/admin-api": "0.5.1",
-    "@tryghost/content-api": "1.2.4",
+    "@tryghost/content-api": "1.2.5",
     "algoliasearch": "3.33.0",
     "autoprefixer": "9.6.0",
     "cssnano": "4.1.10",
@@ -35,7 +35,7 @@
     "ghost-spirit": "0.0.50",
     "mocha": "6.1.4",
     "postcss-color-mod-function": "3.0.3",
-    "postcss-css-variables": "0.12.0",
+    "postcss-css-variables": "0.13.0",
     "postcss-custom-media": "7.0.8",
     "postcss-custom-properties": "8.0.10",
     "postcss-easy-import": "3.0.0",
@@ -44,39 +44,39 @@
     "start-server-and-test": "1.9.1"
   },
   "dependencies": {
-    "@tryghost/helpers": "1.1.5",
-    "@tryghost/helpers-gatsby": "1.0.8",
+    "@tryghost/helpers": "1.1.6",
+    "@tryghost/helpers-gatsby": "1.0.9",
     "algolia-html-extractor": "0.0.1",
-    "gatsby": "2.8.2",
-    "gatsby-image": "2.1.2",
-    "gatsby-plugin-advanced-sitemap": "1.0.6",
+    "gatsby": "2.9.5",
+    "gatsby-image": "2.1.4",
+    "gatsby-plugin-advanced-sitemap": "1.1.1",
     "gatsby-plugin-algolia": "0.3.0",
     "gatsby-plugin-catch-links": "2.0.15",
     "gatsby-plugin-force-trailing-slashes": "1.0.4",
     "gatsby-plugin-manifest": "2.1.1",
-    "gatsby-plugin-offline": "2.1.1",
+    "gatsby-plugin-offline": "2.1.3",
     "gatsby-plugin-postcss": "2.0.7",
     "gatsby-plugin-react-helmet": "3.0.12",
     "gatsby-plugin-react-svg": "2.1.1",
     "gatsby-plugin-remove-serviceworker": "1.0.0",
-    "gatsby-plugin-sharp": "2.1.3",
-    "gatsby-remark-autolink-headers": "2.0.16",
+    "gatsby-plugin-sharp": "2.1.6",
+    "gatsby-remark-autolink-headers": "2.0.18",
     "gatsby-remark-code-titles": "1.1.0",
-    "gatsby-remark-embed-snippet": "3.2.4",
+    "gatsby-remark-embed-snippet": "4.0.0",
     "gatsby-remark-external-links": "0.0.4",
-    "gatsby-remark-images": "3.0.14",
-    "gatsby-remark-prismjs": "3.2.9",
-    "gatsby-source-filesystem": "2.0.38",
-    "gatsby-source-ghost": "3.3.4",
-    "gatsby-transformer-remark": "2.3.12",
+    "gatsby-remark-images": "3.0.16",
+    "gatsby-remark-prismjs": "3.2.11",
+    "gatsby-source-filesystem": "2.0.40",
+    "gatsby-source-ghost": "3.4.2",
+    "gatsby-transformer-remark": "2.4.0",
     "gatsby-transformer-sharp": "2.1.21",
     "gatsby-transformer-yaml": "2.1.12",
     "prismjs": "1.16.0",
     "react": "16.8.6",
     "react-autosuggest": "9.4.3",
     "react-dom": "16.8.6",
     "react-helmet": "5.2.1",
-    "react-instantsearch-dom": "5.6.0",
+    "react-instantsearch-dom": "5.7.0",
     "react-modal": "3.8.1",
     "tocbot": "4.7.0"
   }