feat(Account Management): add new service to the project

[PureMathematics]

PR summary

Add new v4 api and AM service to the SDK.

PR Checklist

Please make sure that your PR fulfills the following requirements:

• The commit message follows the Angular Commit Message Guidelines.
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Current vs new behavior

Does this PR introduce a breaking change?

• Yes
• No

[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.297 s -- in com.ibm.cloud.platform_services.account_management.v4.AccountManagementIT
[INFO] 
[INFO] Results:
[INFO] 
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO] 
[INFO] 
[INFO] --- failsafe:3.1.2:verify (default) @ account-management ---
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  5.823 s
[INFO] Finished at: 2026-02-26T12:59:19-06:00

➜  examples git:(add-am-v4) ✗ mvn exec:java -Dexec.mainClass="com.ibm.cloud.platform_services.account_management.v4.AccountManagementExamples"

[INFO] Scanning for projects...
[INFO] 
[INFO] --------------< com.ibm.cloud:platform-services-examples >--------------
[INFO] Building IBM Cloud Platform Services Code Examples 99-SNAPSHOT
[INFO]   from pom.xml
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- exec:3.6.3:java (default-cli) @ platform-services-examples ---
getAccount() result:
{
  "name": "COBIS TOPAZ Enterprise",
  "id": "4904bf0fc13042878784054a1fd0f320",
  "owner": "973aa8c2-6978-43b5-8b08-96060058adca",
  "owner_userid": "jpanizza@incosoluciones.com",
  "owner_iamid": "IBMid-661004T391",
  "type": "SUBSCRIPTION",
  "status": "ACTIVE",
  "linked_softlayer_account": "2755666",
  "team_directory_enabled": true,
  "traits": {
    "eu_supported": false,
    "poc": false,
    "hippa": false
  }
}

Other information

[CLAassistant]

All committers have signed the CLA.

[pyrooka]

Changes are looking good, but I think you also need to add a new entry to the modules/coverage-reports/pom.xml file.

[PureMathematics]

updated. Thanks

[pyrooka]

LGTM!

[ibm-devx-sdk]

🎉 This PR is included in version 0.74.0 🎉

The release is available on GitHub release

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