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

@@ -30,7 +30,7 @@
         "@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",

yarn.lock

@@ -233,10 +233,10 @@
     "@typescript-eslint/types" "4.25.0"
     eslint-visitor-keys "^2.0.0"
 
-"@vercel/ncc@^0.28.5":
-  version "0.28.5"
-  resolved "https://registry.yarnpkg.com/@vercel/ncc/-/ncc-0.28.5.tgz#6d735379f81b70b708a9c3d2196507b2a841824f"
-  integrity sha512-ZSwD4EDCon2EsnPZ2/Qcigx4N2DiuBLV/rDnF04giEPFuDeBeUDdnSTyYYfX8KNic/prrJuS1vUEmAOHmj+fRg==
+"@vercel/ncc@^0.28.6":
+  version "0.28.6"
+  resolved "https://registry.yarnpkg.com/@vercel/ncc/-/ncc-0.28.6.tgz#073c0ce8e0269210c0a9f180fb0bf949eecc20e0"
+  integrity sha512-t4BoSSuyK8BZaUE0gV18V6bkFs4st7baumtFGa50dv1tMu2GDBEBF8sUZaKBdKiL6DzJ2D2+XVCwYWWDcQOYdQ==
 
 acorn-jsx@^5.3.1:
   version "5.3.1"