chore: update readme and contributing guides

Author: DmitryAnansky

CONTRIBUTING.md

@@ -36,7 +36,7 @@ Before submitting a pull request, please make sure the following is done:
 
 ## Development setup
 
-[Node.js](http://nodejs.org) at v14.19.0+ and NPM v7.0.0+ are required.
+[Node.js](http://nodejs.org) at v18.17.0+ and NPM v10.8.2+ are required.
 
 After forking the repo, run:
 

README.md

@@ -28,7 +28,7 @@ Then you can use it as `redocly [command] [options]`, for example:
 redocly lint path-to-root-file.yaml
 ```
 
-The minimum required versions of Node.js and NPM are 14.19.0 and 7.0.0 respectively.
+The minimum required versions of Node.js and NPM are 18.17.0 and 10.8.2 respectively.
 
 ### Docker