Bump com.azure:azure-identity in /get-started/azure-auth/java/app

Bumps [com.azure:azure-identity](https://github.com/Azure/azure-sdk-for-java) from 1.11.4 to 1.12.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-java/releases)
- [Commits](Azure/azure-sdk-for-java@azure-identity_1.11.4...azure-core_1.12.0)

---
updated-dependencies:
- dependency-name: com.azure:azure-identity
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

get-started/azure-auth/java/app/build.gradle

@@ -34,7 +34,7 @@ dependencies {
     implementation 'com.microsoft.kiota:microsoft-kiota-serialization-text:1.1.3'
     implementation 'com.microsoft.kiota:microsoft-kiota-serialization-form:1.1.3'
     implementation 'com.microsoft.kiota:microsoft-kiota-serialization-multipart:1.1.3'
-    implementation 'com.azure:azure-identity:1.11.4'
+    implementation 'com.azure:azure-identity:1.12.0'
     // </DependenciesSnippet>
 }