DEP: handlebars@4.5.3 (#353)
DEP: handlebars@4.5.3 (#353)

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.1.1 to 4.5.3.
- [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/v4.1.1...v4.5.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: vadekh <dab1c4d692e8645ea21581f4f20f88f0647b9f48@users.noreply.github.com>
Co-authored-by: Daniel W. Hieber <7a022bf4d725e9f82126cddacb2729715a360d60@gmail.com>

digitallinguistics/dlx-spec,digitallinguistics/spec