Update grunt-contrib-watch requirement to ^1.1.0 in /generators/app/templates
Update grunt-contrib-watch requirement to ^1.1.0 in /generators/app/templates

Updates the requirements on [grunt-contrib-watch](https://github.com/gruntjs/grunt-contrib-watch) to permit the latest version.
- [Release notes](https://github.com/gruntjs/grunt-contrib-watch/releases)
- [Changelog](https://github.com/gruntjs/grunt-contrib-watch/blob/master/CHANGELOG)
- [Commits](https://github.com/gruntjs/grunt-contrib-watch/commits/v1.1.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
LeoColomb/generator-latex