Bump: Bump klaro from 0.7.18 to 0.7.21

Bumps [klaro](https://github.com/kiprotect/klaro) from 0.7.18 to 0.7.21.
- [Changelog](https://github.com/klaro-org/klaro-js/blob/master/releases.json)
- [Commits](klaro-org/klaro-js@v0.7.18...v0.7.21)

---
updated-dependencies:
- dependency-name: klaro
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -12,6 +12,6 @@
   "dependencies": {
     "@syntro-opensource/eslint-config-base": "^1.1.2",
     "@syntro-opensource/webpack-config": "^1.3.2",
-    "klaro": "^0.7.18"
+    "klaro": "^0.7.21"
   }
 }