chore: bump azure-security-keyvault-secrets in /examples/msal-java

Bumps [azure-security-keyvault-secrets](https://github.com/Azure/azure-sdk-for-java) from 4.2.3 to 4.6.1.
- [Release notes](https://github.com/Azure/azure-sdk-for-java/releases)
- [Commits](Azure/azure-sdk-for-java@azure-security-keyvault-keys_4.2.3...azure-messaging-eventgrid_4.6.1)

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

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

examples/msal-java/pom.xml

@@ -21,7 +21,7 @@
     <dependency>
       <groupId>com.azure</groupId>
       <artifactId>azure-security-keyvault-secrets</artifactId>
-      <version>4.2.3</version>
+      <version>4.6.1</version>
     </dependency>
     <dependency>
       <groupId>com.azure</groupId>