chore(release): Publish next

 - babel-preset-gatsby@2.0.0-zz-next.5
 - gatsby-dev-cli@4.0.0-zz-next.4
 - gatsby-legacy-polyfills@2.0.0-zz-next.3
 - gatsby-link@4.0.0-zz-next.5
 - gatsby-plugin-create-client-paths@4.0.0-zz-next.3
 - gatsby-plugin-gatsby-cloud@4.0.0-zz-next.6
 - gatsby-plugin-mdx@3.0.0-zz-next.4
 - gatsby-plugin-react-helmet@5.0.0-zz-next.3
 - gatsby-source-contentful@6.0.0-zz-next.6
 - gatsby-source-wordpress@6.0.0-zz-next.7
 - gatsby-transformer-json@4.0.0-zz-next.3
 - gatsby-transformer-yaml@4.0.0-zz-next.3
 - gatsby@4.0.0-zz-next.9

Author: LekoArts

packages/babel-preset-gatsby/package.json

@@ -1,6 +1,6 @@
 {
   "name": "babel-preset-gatsby",
-  "version": "2.0.0-zz-next.4",
+  "version": "2.0.0-zz-next.5",
   "author": "Philipp Spiess <hello@philippspiess.com>",
   "repository": {
     "type": "git",
@@ -23,7 +23,7 @@
     "babel-plugin-macros": "^2.8.0",
     "babel-plugin-transform-react-remove-prop-types": "^0.4.24",
     "gatsby-core-utils": "^3.0.0-zz-next.3",
-    "gatsby-legacy-polyfills": "^2.0.0-zz-next.2"
+    "gatsby-legacy-polyfills": "^2.0.0-zz-next.3"
   },
   "peerDependencies": {
     "@babel/core": "^7.11.6",

packages/gatsby-dev-cli/package.json

@@ -1,7 +1,7 @@
 {
   "name": "gatsby-dev-cli",
   "description": "CLI helpers for contributors working on Gatsby",
-  "version": "4.0.0-zz-next.3",
+  "version": "4.0.0-zz-next.4",
   "author": "Kyle Mathews <mathews.kyle@gmail.com>",
   "bin": {
     "gatsby-dev": "./dist/index.js"

packages/gatsby-legacy-polyfills/package.json

@@ -1,7 +1,7 @@
 {
   "name": "gatsby-legacy-polyfills",
   "description": "Polyfills for legacy browsers",
-  "version": "2.0.0-zz-next.2",
+  "version": "2.0.0-zz-next.3",
   "main": "dist/polyfills.js",
   "author": "Ward Peeters <ward@gatsbyjs.com>",
   "homepage": "https://github.com/gatsbyjs/gatsby/tree/master/packages/gatsby-legacy-polyfills#readme",
@@ -31,7 +31,6 @@
     "dist/"
   ],
   "devDependencies": {
-    "yet-another-abortcontroller-polyfill": "0.0.4",
     "chokidar-cli": "^3.0.0",
     "codegen.macro": "^4.1.0",
     "core-js": "3.9.0",
@@ -44,6 +43,7 @@
     "object-assign": "^4.1.1",
     "source-map": "^0.7.3",
     "url-polyfill": "^1.1.12",
-    "whatwg-fetch": "^3.6.2"
+    "whatwg-fetch": "^3.6.2",
+    "yet-another-abortcontroller-polyfill": "0.0.4"
   }
 }

packages/gatsby-link/package.json

@@ -1,7 +1,7 @@
 {
   "name": "gatsby-link",
   "description": "An enhanced Link component for Gatsby sites with support for resource prefetching",
-  "version": "4.0.0-zz-next.4",
+  "version": "4.0.0-zz-next.5",
   "author": "Kyle Mathews <mathews.kyle@gmail.com>",
   "bugs": {
     "url": "https://github.com/gatsbyjs/gatsby/issues"

packages/gatsby-plugin-create-client-paths/package.json

@@ -1,7 +1,7 @@
 {
   "name": "gatsby-plugin-create-client-paths",
   "description": "Gatsby-plugin for creating paths that exist only on the client",
-  "version": "4.0.0-zz-next.2",
+  "version": "4.0.0-zz-next.3",
   "author": "scott.eckenthal@gmail.com",
   "bugs": {
     "url": "https://github.com/gatsbyjs/gatsby/issues"

packages/gatsby-plugin-gatsby-cloud/package.json

@@ -1,7 +1,7 @@
 {
   "name": "gatsby-plugin-gatsby-cloud",
   "description": "A Gatsby plugin which optimizes working with Gatsby Cloud",
-  "version": "4.0.0-zz-next.5",
+  "version": "4.0.0-zz-next.6",
   "author": "Kyle Mathews <mathews.kyle@gmail.com>",
   "bugs": {
     "url": "https://github.com/gatsbyjs/gatsby/issues"

packages/gatsby-plugin-mdx/package.json

@@ -1,6 +1,6 @@
 {
   "name": "gatsby-plugin-mdx",
-  "version": "3.0.0-zz-next.3",
+  "version": "3.0.0-zz-next.4",
   "description": "MDX integration for Gatsby",
   "main": "index.js",
   "license": "MIT",

packages/gatsby-plugin-react-helmet/package.json

@@ -1,7 +1,7 @@
 {
   "name": "gatsby-plugin-react-helmet",
   "description": "Manage document head data with react-helmet. Provides drop-in server rendering support for Gatsby.",
-  "version": "5.0.0-zz-next.2",
+  "version": "5.0.0-zz-next.3",
   "author": "Kyle Mathews <matthews.kyle@gmail.com>",
   "bugs": {
     "url": "https://github.com/gatsbyjs/gatsby/issues"

packages/gatsby-source-contentful/package.json

@@ -1,7 +1,7 @@
 {
   "name": "gatsby-source-contentful",
   "description": "Gatsby source plugin for building websites using the Contentful CMS as a data source",
-  "version": "6.0.0-zz-next.5",
+  "version": "6.0.0-zz-next.6",
   "author": "Marcus Ericsson <mericsson@gmail.com> (mericsson.com)",
   "bugs": {
     "url": "https://github.com/gatsbyjs/gatsby/issues"

packages/gatsby-source-wordpress/package.json

@@ -2,7 +2,7 @@
   "name": "gatsby-source-wordpress",
   "description": "Source data from WordPress in an efficient and scalable way.",
   "author": "Tyler Barnes <tylerdbarnes@gmail.com>",
-  "version": "6.0.0-zz-next.6",
+  "version": "6.0.0-zz-next.7",
   "bugs": {
     "url": "https://github.com/gatsbyjs/gatsby/issues"
   },
@@ -52,7 +52,7 @@
     "@types/semver": "^7.3.8",
     "babel-plugin-import-globals": "^2.0.0",
     "babel-plugin-module-resolver": "4.1.0",
-    "babel-preset-gatsby": "^2.0.0-zz-next.4",
+    "babel-preset-gatsby": "^2.0.0-zz-next.5",
     "babel-preset-gatsby-package": "^2.0.0-zz-next.2",
     "cross-env": "^7.0.3",
     "gatsby-plugin-image": "^2.0.0-zz-next.3",