Bump js-yaml, grunt and grunt-wp-i18n

Bumps [js-yaml](https://github.com/nodeca/js-yaml) to 3.14.1 and updates ancestor dependencies [js-yaml](https://github.com/nodeca/js-yaml), [grunt](https://github.com/gruntjs/grunt) and [grunt-wp-i18n](https://github.com/cedaro/grunt-wp-i18n). These dependencies need to be updated together.


Updates `js-yaml` from 2.0.5 to 3.14.1
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@2.0.5...3.14.1)

Updates `grunt` from 0.4.5 to 1.6.1
- [Release notes](https://github.com/gruntjs/grunt/releases)
- [Changelog](https://github.com/gruntjs/grunt/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt@v0.4.5...v1.6.1)

Updates `grunt-wp-i18n` from 0.5.4 to 1.0.3
- [Changelog](https://github.com/cedaro/grunt-wp-i18n/blob/develop/CHANGELOG.md)
- [Commits](cedaro/grunt-wp-i18n@v0.5.4...v1.0.3)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-type: indirect
- dependency-name: grunt
  dependency-type: direct:development
- dependency-name: grunt-wp-i18n
  dependency-type: direct:development
...

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