chore(deps-dev): bump @sveltejs/kit from 1.20.0 to 1.21.0

Bumps [@sveltejs/kit](https://github.com/sveltejs/kit/tree/HEAD/packages/kit) from 1.20.0 to 1.21.0.
- [Release notes](https://github.com/sveltejs/kit/releases)
- [Changelog](https://github.com/sveltejs/kit/blob/master/packages/kit/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/kit/commits/@sveltejs/[email protected]/packages/kit)

---
updated-dependencies:
- dependency-name: "@sveltejs/kit"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -33,7 +33,7 @@
     "@fortawesome/free-regular-svg-icons": "^6.3.0",
     "@fortawesome/free-regular-svg-icons-v5": "npm:@fortawesome/free-regular-svg-icons@^5.10.1",
     "@sveltejs/adapter-static": "2.0.1",
-    "@sveltejs/kit": "1.20.0",
+    "@sveltejs/kit": "1.21.0",
     "@sveltejs/package": "1.0.2",
     "auto-changelog": "^2.4.0",
     "change-case": "^4.1.2",