fix(deps): update dependency react-docgen to ^5.4.2 for gatsby-transformer-react-docgen (#36035)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/gatsby-transformer-react-docgen/package.json

@@ -12,7 +12,7 @@
     "@babel/types": "^7.15.4",
     "ast-types": "^0.14.2",
     "common-tags": "^1.8.2",
-    "react-docgen": "^5.4.1"
+    "react-docgen": "^5.4.2"
   },
   "devDependencies": {
     "@babel/cli": "^7.15.4",

yarn.lock

@@ -19923,10 +19923,10 @@ react-devtools-core@^4.19.1:
     shell-quote "^1.6.1"
     ws "^7"
 
-react-docgen@^5.4.1:
-  version "5.4.1"
-  resolved "https://registry.yarnpkg.com/react-docgen/-/react-docgen-5.4.1.tgz#867168accce39e25095a23a922eaa90722e9d182"
-  integrity sha512-TZqD1aApirw86NV6tHrmDoxUn8wlinkVyutFarzbdwuhEurAzDN0y5sSj64o+BrHLPqjwpH9tunpfwgy+3Uyww==
+react-docgen@^5.4.2:
+  version "5.4.2"
+  resolved "https://registry.yarnpkg.com/react-docgen/-/react-docgen-5.4.2.tgz#697ec899e8dd493bb7ba0d50ec0aa5e49f41d3fa"
+  integrity sha512-4Z5XYpHsn2bbUfaflxoS30VhUvQLBe4GCwwM5v1e1FUOeDdaoJi6wUGSmYp6OdXYEISEAOEIaSPBk4iezNCKBw==
   dependencies:
     "@babel/core" "^7.7.5"
     "@babel/generator" "^7.12.11"