Bump @vercel/ncc from 0.28.5 to 0.28.6

Bumps [@vercel/ncc](https://github.com/vercel/ncc) from 0.28.5 to 0.28.6.
- [Release notes](https://github.com/vercel/ncc/releases)
- [Commits](https://github.com/vercel/ncc/compare/0.28.5...0.28.6)

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

package.json

@@ -45,7 +45,7 @@
     "@types/jest": "^26.0.23",
     "@types/node": "^15.6.1",
     "@typescript-eslint/parser": "^4.25.0",
-    "@vercel/ncc": "^0.28.5",
+    "@vercel/ncc": "^0.28.6",
     "eslint": "^7.27.0",
     "eslint-plugin-github": "^4.1.3",
     "eslint-plugin-jest": "^24.3.6",