Bump the rnx-kit group with 1 update (microsoft#3479)

Bumps the rnx-kit group with 1 update: [@rnx-kit/metro-config](https://github.com/microsoft/rnx-kit/tree/HEAD/packages/metro-config).


Updates `@rnx-kit/metro-config` from 1.3.14 to 1.3.15
- [Release notes](https://github.com/microsoft/rnx-kit/releases)
- [Changelog](https://github.com/microsoft/rnx-kit/blob/main/packages/metro-config/CHANGELOG.md)
- [Commits](https://github.com/microsoft/rnx-kit/commits/@rnx-kit/[email protected]/packages/metro-config)

---
updated-dependencies:
- dependency-name: "@rnx-kit/metro-config"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: rnx-kit
...

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

yarn.lock

@@ -5660,8 +5660,8 @@ __metadata:
   linkType: hard
 
 "@rnx-kit/metro-config@npm:^1.3.1":
-  version: 1.3.14
-  resolution: "@rnx-kit/metro-config@npm:1.3.14"
+  version: 1.3.15
+  resolution: "@rnx-kit/metro-config@npm:1.3.15"
   dependencies:
     "@rnx-kit/console": ^1.0.0
     "@rnx-kit/tools-node": ^2.0.0
@@ -5674,7 +5674,7 @@ __metadata:
   peerDependenciesMeta:
     "@react-native/metro-config":
       optional: true
-  checksum: 65b8ecfd614ea0a313757fa00d23550cf8ac773f702be0858608be059aa812592b7a257d8976cc5d53a1e87c12639eaee8292a667dc75443024f92b5cfa0d1bf
+  checksum: 44c3def6c9ce79add9bfda81ffdda7ce49722026f1ccf0064a6260e0dbe6f710723581c6cff955290e35aea545098988c0feb23d8412e6ac2d53585e9f57041c
   languageName: node
   linkType: hard