Bump url-parse from 1.4.7 to 1.5.1 in /docs

Bumps [url-parse](https://github.com/unshiftio/url-parse) from 1.4.7 to 1.5.1.
- [Release notes](https://github.com/unshiftio/url-parse/releases)
- [Commits](unshiftio/url-parse@1.4.7...1.5.1)

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

Author: dependabot[bot]