fix: update gatsby version, add option to not add trailing slashes

gatsby-config.js

@@ -3,8 +3,9 @@ const resolveQuickstartSlug = require('./src/utils/resolveQuickstartSlug');
 
 module.exports = {
   pathPrefix: `/instant-observability`,
+  trailingSlash: 'ignore',
   flags: {
-    DEV_SSR: true,
+    DEV_SSR: false,
     PRESERVE_WEBPACK_CACHE: true,
     PRESERVE_FILE_DOWNLOAD_CACHE: true,
   },
@@ -24,7 +25,6 @@ module.exports = {
       resolve: '@newrelic/gatsby-theme-newrelic',
       options: {
         oneTrustID: '77dd4d78-49db-4057-81ea-4bc325d6ecdd',
-        forceTrailingSlashes: true,
         layout: {
           contentPadding: '2rem',
           maxWidth: '1700px',
@@ -147,7 +147,6 @@ module.exports = {
       },
     },
     'gatsby-plugin-mdx', // Not used, but required by the theme
-    'gatsby-plugin-meta-redirect',
     'gatsby-plugin-use-query-params',
     {
       resolve: 'gatsby-plugin-gatsby-cloud',

gatsby-node.js

@@ -77,5 +77,12 @@ exports.onCreateWebpackConfig = ({ actions, plugins }) => {
     externals: {
       tessen: 'Tessen',
     },
+    resolve: {
+      fallback: {
+        http: false,
+        https: false,
+        zlib: false,
+      },
+    },
   });
 };

package.json

@@ -25,19 +25,18 @@
     "@mdx-js/react": "^1.6.19",
     "@newrelic/gatsby-theme-newrelic": "^4.0.5",
     "@splitsoftware/splitio-react": "^1.2.0",
-    "gatsby": "^3.8.0",
-    "gatsby-plugin-gatsby-cloud": "^3.0.0",
-    "gatsby-source-filesystem": "^3.8.0",
-    "gatsby-transformer-json": "^3.3.0",
-    "gatsby-transformer-sharp": "^3.13.0",
+    "gatsby": "^4.10.0",
     "gatsby-plugin-emotion": "^6.8.0",
+    "gatsby-plugin-gatsby-cloud": "^4.11.0-next.0",
     "gatsby-plugin-manifest": "^3.13.0",
-    "gatsby-plugin-meta-redirect": "^1.1.1",
     "gatsby-plugin-mdx": "^2.8.0",
-    "gatsby-plugin-use-query-params": "^1.0.1",
     "gatsby-plugin-react-helmet": "^4.8.0",
     "gatsby-plugin-sass": "^4.8.0",
     "gatsby-plugin-sharp": "^3.14.1",
+    "gatsby-plugin-use-query-params": "^1.0.1",
+    "gatsby-source-filesystem": "^3.8.0",
+    "gatsby-transformer-json": "^3.3.0",
+    "gatsby-transformer-sharp": "^3.13.0",
     "node-sass": "^6.0.1",
     "pluralize": "^8.0.0",
     "react": "^17.0.1",