fix(contentful): migrate to latest rich text helper packages

packages/gatsby-source-contentful/package.json

@@ -8,8 +8,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@contentful/rich-text-react-renderer": "15.5.1",
-    "@contentful/rich-text-types": "15.5.1",
+    "@contentful/rich-text-react-renderer": "^15.6.2",
+    "@contentful/rich-text-types": "^15.6.2",
     "@hapi/joi": "^15.1.1",
     "@vercel/fetch-retry": "^5.0.3",
     "axios": "^0.21.1",

yarn.lock

@@ -1701,22 +1701,17 @@
   resolved "https://registry.yarnpkg.com/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz#75a2e8b51cb758a7553d6804a5932d7aace75c39"
   integrity sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==
 
-"@contentful/[email protected]":
-  version "15.5.1"
-  resolved "https://registry.npmjs.org/@contentful/rich-text-react-renderer/-/rich-text-react-renderer-15.5.1.tgz#af68bdf17133bb5c4f18ea82da1ce2bcbbcb7680"
-  integrity sha512-veHBG7NJjE8UdntQyYII98tc8EPDVEVYfbpM9eV7djVDxuCifU9w7D1hCw4+xxKoaZfyJ4pNQuR55eWrrXIoeg==
-  dependencies:
-    "@contentful/rich-text-types" "^15.5.1"
-
-"@contentful/[email protected]":
-  version "15.5.1"
-  resolved "https://registry.npmjs.org/@contentful/rich-text-types/-/rich-text-types-15.5.1.tgz#1fa318564307635225116502b2e120b130cb97c2"
-  integrity sha512-FEFyPv4s6yoBMONSabbnZQn2o6n89bwIvD+y1uqgi48qnsOf7LoodNIL7t7vaSzHCUj5wU3zKUiTmMaSB5Uptw==
-
-"@contentful/rich-text-types@^15.5.1":
-  version "15.6.0"
-  resolved "https://registry.npmjs.org/@contentful/rich-text-types/-/rich-text-types-15.6.0.tgz#a5e756937ec57773813ee641d692613d6d8a24ed"
-  integrity sha512-NChvPb2f/7mIoPMq4CqDd5jPhnRyH6eos+9qDx1QqCl3o9dRS8ZSofZ2Y6205iSOnmNtX/2bghQ1NdZE4J5mzw==
+"@contentful/rich-text-react-renderer@^15.6.2":
+  version "15.6.2"
+  resolved "https://registry.npmjs.org/@contentful/rich-text-react-renderer/-/rich-text-react-renderer-15.6.2.tgz#da778bcd4ec2f61fd5a7459d4411f7a292f795fc"
+  integrity sha512-kT7YKGr8Igi65aEnz9XWqEZiUHfGHKRClCyQNs6gYYJwwzUmKW6y53UqKvCxJOFWsv794Irsx6ijvo0R7NDfcg==
+  dependencies:
+    "@contentful/rich-text-types" "^15.6.2"
+
+"@contentful/rich-text-types@^15.6.2":
+  version "15.6.2"
+  resolved "https://registry.npmjs.org/@contentful/rich-text-types/-/rich-text-types-15.6.2.tgz#fe213886970b2d8a867a7272de938753e95d1f6e"
+  integrity sha512-PAgQo7rGmYjCzkNmzfs6VYqB4SXpNy9mBTH2vLYcNrOh2qEkG3hIjjgCZCH96mAz6WHEr5OaZ+BASP3kIeu2gA==
 
 "@discoveryjs/json-ext@^0.5.0":
   version "0.5.2"