Bump nconf and yaml-lint (#3541)

Bumps [nconf](https://github.com/flatiron/nconf) to 0.12.0 and updates ancestor dependency [yaml-lint](https://github.com/rasshofer/yaml-lint). These dependencies need to be updated together.


Updates `nconf` from 0.10.0 to 0.12.0
- [Release notes](https://github.com/flatiron/nconf/releases)
- [Changelog](https://github.com/indexzero/nconf/blob/master/CHANGELOG.md)
- [Commits](indexzero/nconf@0.10.0...v0.12.0)

Updates `yaml-lint` from 1.2.4 to 1.7.0
- [Release notes](https://github.com/rasshofer/yaml-lint/releases)
- [Commits](rasshofer/yaml-lint@v1.2.4...v1.7.0)

---
updated-dependencies:
- dependency-name: nconf
  dependency-type: indirect
- dependency-name: yaml-lint
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "superagent": "^6.1.0",
     "webpack": "^5.53.0",
     "webpack-cli": "^4.8.0",
-    "yaml-lint": "^1.2.4"
+    "yaml-lint": "^1.7.0"
   },
   "dependencies": {
     "@algolia/autocomplete-js": "^1.4.0",