Bump openai from 5.21.0 to 6.15.0

Bumps [openai](https://github.com/openai/openai-node) from 5.21.0 to 6.15.0.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v5.21.0...v6.15.0)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 6.15.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -60,7 +60,7 @@
     "dlx": "^0.2.1",
     "invert-color": "^2.0.0",
     "lodash": "^4.17.21",
-    "openai": "5.21.0",
+    "openai": "6.15.0",
     "react": "19.2.0",
     "react-native": "0.83.1",
     "react-native-background-actions": "^4.0.1",