Bump @zeit/ncc from 0.21.0 to 0.21.1

Bumps [@zeit/ncc](https://github.com/zeit/ncc) from 0.21.0 to 0.21.1.
- [Release notes](https://github.com/zeit/ncc/releases)
- [Commits](vercel/ncc@0.21.0...0.21.1)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -26,7 +26,7 @@
   "devDependencies": {
     "@types/jest": "^25.1.2",
     "@types/node": "^13.7.1",
-    "@zeit/ncc": "^0.21.0",
+    "@zeit/ncc": "^0.21.1",
     "jest": "^25.1.0",
     "jest-circus": "^25.1.0",
     "ts-jest": "^25.2.0",