Bump com.azure:azure-identity from 1.14.2 to 1.15.0

Bumps [com.azure:azure-identity](https://github.com/Azure/azure-sdk-for-java) from 1.14.2 to 1.15.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-java/releases)
- [Commits](Azure/azure-sdk-for-java@azure-identity_1.14.2...azure-core_1.15.0)

---
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]>

pom.xml

@@ -418,7 +418,7 @@
     <dependency>
       <groupId>com.azure</groupId>
       <artifactId>azure-identity</artifactId>
-      <version>1.14.2</version>
+      <version>1.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.auto.service</groupId>