build(deps): bump is-svg and imagemin-svgo
build(deps): bump is-svg and imagemin-svgo

Bumps [is-svg](https://github.com/sindresorhus/is-svg) and [imagemin-svgo](https://github.com/imagemin/imagemin-svgo). These dependencies needed to be updated together.

Updates `is-svg` from 3.0.0 to 4.3.2
- [Release notes](https://github.com/sindresorhus/is-svg/releases)
- [Commits](https://github.com/sindresorhus/is-svg/compare/v3.0.0...v4.3.2)

Updates `imagemin-svgo` from 7.0.0 to 7.1.0
- [Release notes](https://github.com/imagemin/imagemin-svgo/releases)
- [Commits](https://github.com/imagemin/imagemin-svgo/compare/v7.0.0...v7.1.0)

---
updated-dependencies:
- dependency-name: is-svg
  dependency-type: indirect
- dependency-name: imagemin-svgo
  dependency-type: indirect
...

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