Update gatsby monorepo

Author: renovate[bot]

package.json

@@ -21,22 +21,22 @@
     "test": "echo \"Write tests! -> https://gatsby.app/unit-testing\""
   },
   "dependencies": {
-    "gatsby": "2.23.9",
+    "gatsby": "5.14.0",
     "gatsby-awesome-pagination": "0.3.5",
-    "gatsby-image": "2.4.8",
-    "gatsby-plugin-google-analytics": "2.3.5",
-    "gatsby-plugin-manifest": "2.4.13",
-    "gatsby-plugin-offline": "3.2.12",
-    "gatsby-plugin-postcss": "2.3.5",
-    "gatsby-plugin-react-helmet": "3.3.5",
-    "gatsby-plugin-sharp": "2.6.13",
+    "gatsby-image": "3.11.0",
+    "gatsby-plugin-google-analytics": "5.14.0",
+    "gatsby-plugin-manifest": "5.14.0",
+    "gatsby-plugin-offline": "6.14.0",
+    "gatsby-plugin-postcss": "6.14.0",
+    "gatsby-plugin-react-helmet": "6.14.0",
+    "gatsby-plugin-sharp": "5.14.0",
     "gatsby-remark-embed-gist": "1.1.9",
-    "gatsby-remark-images": "3.3.12",
-    "gatsby-remark-prismjs": "3.5.5",
+    "gatsby-remark-images": "7.14.0",
+    "gatsby-remark-prismjs": "7.14.0",
     "gatsby-remark-reading-time": "1.1.0",
-    "gatsby-source-filesystem": "2.3.13",
+    "gatsby-source-filesystem": "5.14.0",
     "gatsby-transformer-remark": "2.8.18",
-    "gatsby-transformer-sharp": "2.5.6",
+    "gatsby-transformer-sharp": "5.14.0",
     "prismjs": "1.23.0",
     "prop-types": "15.7.2",
     "react": "16.13.0",
@@ -47,7 +47,7 @@
     "@babel/plugin-proposal-nullish-coalescing-operator": "7.8.3",
     "@babel/plugin-proposal-optional-chaining": "7.8.3",
     "babel-eslint": "10.1.0",
-    "babel-preset-gatsby": "0.4.11",
+    "babel-preset-gatsby": "3.14.0",
     "cssnano": "4.1.10",
     "eslint": "7.10.0",
     "eslint-config-airbnb": "18.0.1",