Bump nconf from 0.11.4 to 0.12.0

Bumps [nconf](https://github.com/flatiron/nconf) from 0.11.4 to 0.12.0.
- [Release notes](https://github.com/flatiron/nconf/releases)
- [Changelog](https://github.com/indexzero/nconf/blob/master/CHANGELOG.md)
- [Commits](https://github.com/flatiron/nconf/compare/v0.11.4...v0.12.0)

---
updated-dependencies:
- dependency-name: nconf
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -76,7 +76,7 @@
     "moment": "^2.29.2",
     "mongoose": "^6.3.0",
     "nanoid": "3.3.2",
-    "nconf": "^0.11.4",
+    "nconf": "^0.12.0",
     "query-string": "7.1.1",
     "react": "^16.14.0",
     "react-dom": "^16.14.0",