docs(node): follow supported Node.js/Yarn version to use
What does this MR do?
Updates Node.js/Yarn version to use on docs.
Node.js 8 was EOL'd on 2019-12-31.
Does this MR meet the acceptance criteria?
Conformity
-
Code review guidelines. - [n/a] GitLab UI's contributing guidlines.
- [n/a] If it changes a Pajamas-compliant component's look & feel, the MR has been reviewed by a UX designer.
-
If it changes GitLab UI's documentation guidelines, the MR has been reviewed by a Technical Writer. - [n/a] If the MR changes a component's API, integration MR(s) have been opened in the following projects to ensure that the
@gitlab/ui
package can be upgraded quickly after the changes are released:- [n/a] GitLab: mr_url
- [n/a] Customers Portal: mr_url
- [n/a] Status Page: mr_url
- [n/a] Added the
~"component:*"
label(s) if applicable.
Closes #975 (closed)
Edited by Takuya Noguchi