[dev] updating from the beta.6 to beta.14 version

Author: Serhii Pylypchuk

package.json

@@ -14,8 +14,8 @@
     "write-heading-ids": "docusaurus write-heading-ids"
   },
   "dependencies": {
-    "@docusaurus/core": "2.0.0-beta.6",
-    "@docusaurus/preset-classic": "2.0.0-beta.6",
+    "@docusaurus/core": "^2.0.0-beta.14",
+    "@docusaurus/preset-classic": "^2.0.0-beta.14",
     "@mdx-js/react": "^1.6.21",
     "@svgr/webpack": "^5.5.0",
     "clsx": "^1.1.1",