Bump svgo from 2.3.1 to 2.4.0 (#484) [skip ci]

Bumps [svgo](https://github.com/svg/svgo) from 2.3.1 to 2.4.0.
- [Release notes](https://github.com/svg/svgo/releases)
- [Changelog](https://github.com/svg/svgo/blob/master/CHANGELOG-old.md)
- [Commits](https://github.com/svg/svgo/compare/v2.3.1...v2.4.0)

---
updated-dependencies:
- dependency-name: svgo
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -54,7 +54,7 @@
     "rss-parser": "^3.12.0",
     "sanitize-html": "^2.4.0",
     "simple-git": "^2.42.0",
-    "svgo": "^2.3.1",
+    "svgo": "^2.4.0",
     "twemoji-parser": "^13.1.0",
     "vue": "^2.6.12",
     "vue-prism-component": "^1.2.0",