Bump @aegisjsproject/core from 0.2.19 to 0.2.21

Bumps [@aegisjsproject/core](https://github.com/AegisJSProject/core) from 0.2.19 to 0.2.21.
- [Release notes](https://github.com/AegisJSProject/core/releases)
- [Changelog](https://github.com/AegisJSProject/core/blob/master/CHANGELOG.md)
- [Commits](AegisJSProject/core@v0.2.19...v0.2.21)

---
updated-dependencies:
- dependency-name: "@aegisjsproject/core"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -94,7 +94,7 @@
   },
   "dependencies": {
     "@aegisjsproject/component": "^0.1.6",
-    "@aegisjsproject/core": "^0.2.19",
+    "@aegisjsproject/core": "^0.2.21",
     "@aegisjsproject/styles": "^0.2.5"
   }
 }