Bump handlebars from 4.0.12 to 4.1.2

Bump lodash from 4.17.10 to 4.17.15

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.10 to 4.17.15.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.10...4.17.15

)

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

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.0.12 to 4.1.2.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v4.0.12...v4.1.2

)

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

Bump lodash from 4.17.11 to 4.17.14 in /website

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.14.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.14

)

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