Bump grunt-svgmin from 6.0.1 to 7.0.0

Bumps [grunt-svgmin](https://github.com/sindresorhus/grunt-svgmin) from 6.0.1 to 7.0.0.
- [Release notes](https://github.com/sindresorhus/grunt-svgmin/releases)
- [Commits](sindresorhus/grunt-svgmin@v6.0.1...v7.0.0)

---
updated-dependencies:
- dependency-name: grunt-svgmin
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]