chore(deps): update gatsby monorepo (#186)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

demo/package.json

@@ -11,17 +11,17 @@
   "dependencies": {
     "@mdx-js/mdx": "1.6.22",
     "@mdx-js/react": "1.6.22",
-    "gatsby": "3.1.2",
-    "gatsby-plugin-image": "1.1.0",
-    "gatsby-plugin-mdx": "2.1.0",
-    "gatsby-plugin-postcss": "4.1.0",
-    "gatsby-plugin-sharp": "3.1.2",
+    "gatsby": "3.4.1",
+    "gatsby-plugin-image": "1.4.0",
+    "gatsby-plugin-mdx": "2.4.0",
+    "gatsby-plugin-postcss": "4.4.0",
+    "gatsby-plugin-sharp": "3.4.1",
     "gatsby-source-graphcms": "2.0.0",
     "react": "17.0.2",
     "react-dom": "17.0.2"
   },
   "devDependencies": {
-    "babel-preset-gatsby": "1.1.0",
+    "babel-preset-gatsby": "1.4.0",
     "postcss-preset-env": "6.7.0",
     "tailwindcss": "1.9.6"
   }

gatsby-source-graphcms/package.json

@@ -17,7 +17,7 @@
   "license": "MIT",
   "dependencies": {
     "@babel/runtime": "7.12.5",
-    "gatsby-core-utils": "2.1.0",
+    "gatsby-core-utils": "2.4.0",
     "gatsby-graphql-source-toolkit": "0.6.3",
     "gatsby-source-filesystem": "2.11.1",
     "he": "1.2.0",
@@ -30,6 +30,6 @@
     "@babel/preset-env": "7.12.11"
   },
   "peerDependencies": {
-    "gatsby-plugin-image": "1.1.0"
+    "gatsby-plugin-image": "1.4.0"
   }
 }