Bump lodash from 4.17.5 to 4.17.13 in /docs

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.5 to 4.17.13.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.5...4.17.13)

Signed-off-by: dependabot[bot] <support@github.com>