Bump @babel/core from 7.12.17 to 7.13.8

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.12.17 to 7.13.8.
- [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/v7.13.8/packages/babel-core)

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

package.json

@@ -68,7 +68,7 @@
 		"node": ">=10.0.0"
 	},
 	"devDependencies": {
-		"@babel/core": "^7.12.17",
+		"@babel/core": "^7.13.8",
 		"@babel/plugin-syntax-dynamic-import": "^7.8.3",
 		"@babel/preset-env": "^7.12.17",
 		"@nextcloud/browserslist-config": "^1.0.0",