Bump google/apiclient in /apps/files_external/3rdparty

Bumps [google/apiclient](https://github.com/googleapis/google-api-php-client) from 2.15.0 to 2.15.1.
- [Release notes](https://github.com/googleapis/google-api-php-client/releases)
- [Changelog](https://github.com/googleapis/google-api-php-client/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-api-php-client@v2.15.0...v2.15.1)

---
updated-dependencies:
- dependency-name: google/apiclient
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

apps/files_external/3rdparty/composer.json

@@ -20,7 +20,7 @@
 		"php": ">=7.4",
 		"icewind/smb": "3.6.0",
 		"icewind/streams": "0.7.7",
-		"google/apiclient": "2.15.0"
+		"google/apiclient": "2.15.1"
 	},
 	"require-dev": {
 		"roave/security-advisories": "dev-latest"