MFH: r561964 r563263 r564016 r566506 r567899

www/node: Update 15.5.1 -> 15.6.0

https://nodejs.org/en/blog/release/v15.6.0/

Sponsored by: Miles AS

www/node: Update 15.6.0 -> 15.7.0

https://nodejs.org/en/blog/release/v15.7.0/

Sponsored by: Miles AS

www/node: Update 15.7.0 -> 15.8.0

https://nodejs.org/en/blog/release/v15.8.0/

Regenerate patches with make makepatch and re-introduce the
dependency on dns/c-ares now that it is at version 1.17.1 (the
minimum required version for Node.js).

Sponsored by: Miles AS

www/node: Update 15.8.0 - 15.9.0

https://nodejs.org/en/blog/release/v15.9.0/

Sponsored by: Miles AS

www/node: Update 15.9.0 -> 15.10.0

https://nodejs.org/en/blog/release/v15.10.0/

This is a security release. See
https://nodejs.org/en/blog/vulnerability/february-2021-security-releases/

While here, pet portlint by moving USES.

PR: 254045
Submitted by: jlduran@gmail.com
Security: 2f3cd69e-7dee-11eb-b92e-0022489ad614
Sponsored by: Miles AS