process: release-urlbase might be wrong set on current 8.1.1 release

[yorkie]

• Version: 8.1.1
• Platform: macOS
• Subsystem: process

$:node-v8.1.1-darwin-x64 yorkie$ bin/node -v
v8.1.1
$:node-v8.1.1-darwin-x64 yorkie$ bin/node
> process.release
{ name: 'node',
  sourceUrl: 'https://nodejs.org/download//v8.1.1/node-v8.1.1.tar.gz',
  headersUrl: 'https://nodejs.org/download//v8.1.1/node-v8.1.1-headers.tar.gz' }
>
(To exit, press ^C again or type .exit)

This release might be configured with --release-urlbase=https://nodejs.org/download//, v8.0.0 and v8.1.2 are working correctly, could we release again for v8.1.1 even though we didn't get any broken on gyp or other modules currently :)

/cc @nodejs/release

[richardlau]

8.1.2 was specifically made to fix this.

Closing as duplicate of #13667