Bump svgo-loader from 2.2.1 to 4.0.0 in /etp-public

Bumps [svgo-loader](https://github.com/svg/svgo-loader) from 2.2.1 to 4.0.0.
- [Release notes](https://github.com/svg/svgo-loader/releases)
- [Commits](https://github.com/svg/svgo-loader/commits/v4.0.0)

---
updated-dependencies:
- dependency-name: svgo-loader
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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