chore: partially fix security audit

[imrekq]

In our project security audit output next packages with vulnerabilities: grunt-webfont > ttf2eot > argparse > underscore.string grunt-webfont > ttf2woff > argparse > underscore.string grunt-webfont > underscore.string
grunt-webfont > svg2ttf > lodash

grunt-webfont was installed version 1.7.2

For fix these vulnerabilities i upgraded dependencies of package.

[mvirbicianskas]

is this happening?

[jtheoof]

@sapegin Is the project still active? It would be nice to merge this, as it npm audit shows warnings with latest version of the lib.