deps(npm): bump @stoplight/spectral-cli in /dependencies (#6742)

Bumps [@stoplight/spectral-cli](https://github.com/stoplightio/spectral) from 6.14.2 to 6.15.0.
- [Release notes](https://github.com/stoplightio/spectral/releases)
- [Changelog](https://github.com/stoplightio/spectral/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/stoplightio/spectral/compare/@stoplight/spectral-cli-6.14.2...@stoplight/spectral-cli-6.15.0)

---
updated-dependencies:
- dependency-name: "@stoplight/spectral-cli"
  dependency-version: 6.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

dependencies/package-lock.json

@@ -8,7 +8,7 @@
     "@commitlint/config-conventional": "^19.7.1",
     "@ibm/tekton-lint": "^1.1.0",
     "@react-native/eslint-config": "^0.78.0",
-    "@stoplight/spectral-cli": "^6.14.2",
+    "@stoplight/spectral-cli": "^6.15.0",
     "@typescript-eslint/eslint-plugin": "^7.16.1",
     "asl-validator": "^3.14.0",
     "commitlint": "^19.7.1",