Bump npm from 6.14.4 to 6.14.6 in the npm_and_yarn group

Bumps the npm_and_yarn group with 1 update: [npm](https://github.com/npm/cli).


Updates `npm` from 6.14.4 to 6.14.6
- [Release notes](https://github.com/npm/cli/releases)
- [Changelog](https://github.com/npm/cli/blob/v6.14.6/CHANGELOG.md)
- [Commits](npm/cli@v6.14.4...v6.14.6)

---
updated-dependencies:
- dependency-name: npm
  dependency-type: direct:development
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <[email protected]>