deps: update npm to 6.10.3

BUGFIXES

* [`27cccfbda`](https://github.com/npm/cli/commit/27cccfbdac8526cc807b07f416355949b1372a9b)
  [#223](https://github.com/npm/cli/pull/223) vulns → vulnerabilities in
  npm audit output ([@sapegin](https://github.com/sapegin))
* [`d5e865eb7`](https://github.com/npm/cli/commit/d5e865eb79329665a927cc2767b4395c03045dbb)
  [#222](https://github.com/npm/cli/pull/222)
  [#226](https://github.com/npm/cli/pull/226) install, doctor: don't crash
  if registry unset ([@dmitrydvorkin](https://github.com/dmitrydvorkin),
  [@isaacs](https://github.com/isaacs))
* [`5b3890226`](https://github.com/npm/cli/commit/5b389022652abeb0e1c278a152550eb95bc6c452)
  [#227](https://github.com/npm/cli/pull/227)
  [npm.community#9167](https://npm.community/t/npm-err-cb-never-called-permission-denied/9167/5)
  Handle unhandledRejections, tell user what to do when encountering an
  `EACCES` error in the cache.  ([@isaacs](https://github.com/isaacs))

DEPENDENCIES

* [`77516df6e`](https://github.com/npm/cli/commit/77516df6eac94a6d7acb5e9ca06feaa0868d779b)
  `licensee@7.0.3` ([@isaacs](https://github.com/isaacs))
* [`ceb993590`](https://github.com/npm/cli/commit/ceb993590e4e376a9a78264ce7bb4327fbbb37fe)
  `query-string@6.8.2` ([@isaacs](https://github.com/isaacs))
* [`4050b9189`](https://github.com/npm/cli/commit/4050b91898c60e9b22998cf82b70b9b822de592a)
  `hosted-git-info@2.8.2`
    * [#46](https://github.com/npm/hosted-git-info/issues/46)
      [#43](https://github.com/npm/hosted-git-info/issues/43)
      [#47](https://github.com/npm/hosted-git-info/pull/47)
      [#44](https://github.com/npm/hosted-git-info/pull/44) Add support for
      GitLab subgroups ([@mterrel](https://github.com/mterrel),
      [@isaacs](https://github.com/isaacs),
      [@ybiquitous](https://github.com/ybiquitous))
    * [`3b1d629`](https://github.com/npm/hosted-git-info/commit/3b1d629)
      [#48](https://github.com/npm/hosted-git-info/issues/48) fix http
      protocol using sshurl by default
      ([@fengmk2](https://github.com/fengmk2))
    * [`5d4a8d7`](https://github.com/npm/hosted-git-info/commit/5d4a8d7)
      ignore noCommittish on tarball url generation
      ([@isaacs](https://github.com/isaacs))
    * [`1692435`](https://github.com/npm/hosted-git-info/commit/1692435)
      use gist tarball url that works for anonymous gists
      ([@isaacs](https://github.com/isaacs))
    * [`d5cf830`](https://github.com/npm/hosted-git-info/commit/d5cf8309be7af884032616c63ea302ce49dd321c)
      Do not allow invalid gist urls ([@isaacs](https://github.com/isaacs))
    * [`e518222`](https://github.com/npm/hosted-git-info/commit/e5182224351183ce619dd5ef00019ae700ed37b7)
      Use LRU cache to prevent unbounded memory consumption
      ([@iarna](https://github.com/iarna))

PR-URL: https://github.com/nodejs/node/pull/29023


Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>