[CORE-69]: Bump com.azure:azure-identity

Bumps the minor-patch-dependencies group with 1 update: [com.azure:azure-identity](https://github.com/Azure/azure-sdk-for-java).


Updates `com.azure:azure-identity` 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
  dependency-group: minor-patch-dependencies
...

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

library/build.gradle

@@ -21,7 +21,7 @@ dependencies {
     implementation 'bio.terra:billing-profile-manager-client:0.1.484-SNAPSHOT'
     implementation 'jakarta.ws.rs:jakarta.ws.rs-api'
     implementation group: 'com.azure', name: 'azure-core', version: '1.54.1'
-    implementation (group: 'com.azure', name: 'azure-identity', version: '1.14.2') {
+    implementation (group: 'com.azure', name: 'azure-identity', version: '1.15.0') {
         // azure-identity is still pulling in an old version of reactor-netty-http
         exclude group: 'io.projectreactor.netty', module: 'reactor-netty-http'
         exclude group: 'io.projectreactor.netty', module: 'reactor-netty-core'