Bump @babel/runtime from 7.14.8 to 7.15.3

Bumps [@babel/runtime](https://github.com/babel/babel/tree/HEAD/packages/babel-runtime) from 7.14.8 to 7.15.3.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.15.3/packages/babel-runtime)

---
updated-dependencies:
- dependency-name: "@babel/runtime"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -29,7 +29,7 @@
 	},
 	"dependencies": {
 		"@babel/polyfill": "^7.12.1",
-		"@babel/runtime": "^7.14.8",
+		"@babel/runtime": "^7.15.3",
 		"@juliushaertl/vue-richtext": "^1.0.1",
 		"@nextcloud/auth": "^1.3.0",
 		"@nextcloud/axios": "^1.6.0",