Bump core-js from 3.6.0 to 3.6.1

Bumps [core-js](https://github.com/zloirock/core-js) from 3.6.0 to 3.6.1.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](zloirock/core-js@v3.6.0...v3.6.1)

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

package.json

@@ -37,7 +37,7 @@
 	"dependencies": {
 		"axios": "^0.19.0",
 		"cdav-library": "github:nextcloud/cdav-library",
-		"core-js": "^3.6.0",
+		"core-js": "^3.6.1",
 		"debounce": "^1.2.0",
 		"downloadjs": "^1.4.7",
 		"ical.js": "^1.3.0",