fix documentation about node version

Resolves #41438

changelogs/unreleased/update-node-docs.yml

+---
+title: fix documentation about node version
+merge_request: 16720
+author: Tobias Gurtzick
+type: other

doc/update/10.2-to-10.3.md

@@ -54,17 +54,16 @@ sudo gem install bundler --no-ri --no-rdoc
 
 ### 4. Update Node
 
-GitLab now runs [webpack](http://webpack.js.org) to compile frontend assets and
-it has a minimum requirement of node v4.3.0.
+GitLab now runs [webpack](http://webpack.js.org) to compile frontend assets.
+We require a minimum version of node v6.0.0.
 
 You can check which version you are running with `node -v`. If you are running
-a version older than `v4.3.0` you will need to update to a newer version.  You
+a version older than `v6.0.0` you will need to update to a newer version. You
 can find instructions to install from community maintained packages or compile
 from source at the nodejs.org website.
 
 <https://nodejs.org/en/download/>
 
-
 Since 8.17, GitLab requires the use of yarn `>= v0.17.0` to manage
 JavaScript dependencies.
 

doc/update/10.3-to-10.4.md

@@ -56,17 +56,16 @@ sudo gem install bundler --no-ri --no-rdoc
 
 ### 4. Update Node
 
-GitLab now runs [webpack](http://webpack.js.org) to compile frontend assets and
-it has a minimum requirement of node v4.3.0.
+GitLab now runs [webpack](http://webpack.js.org) to compile frontend assets.
+We require a minimum version of node v6.0.0.
 
 You can check which version you are running with `node -v`. If you are running
-a version older than `v4.3.0` you will need to update to a newer version.  You
+a version older than `v6.0.0` you will need to update to a newer version. You
 can find instructions to install from community maintained packages or compile
 from source at the nodejs.org website.
 
 <https://nodejs.org/en/download/>
 
-
 Since 8.17, GitLab requires the use of yarn `>= v0.17.0` to manage
 JavaScript dependencies.