feat: Add validation of required audience for OIDC tokens

[pavel-jares-bcm]

Description

This PR adds validation of a required audience in OIDC token.

Linked to # (issue)
Part of the # (epic)

ZOWESERVER_ZOWE_API-LAYER_V3-X_X-001

Type of change

Please delete options that are not relevant.

• feat: New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the style guidelines of this project
• PR title conforms to commit message guideline ## Commit Message Structure Guideline
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• The java tests in the area I was working on leverage @nested annotations
• Any dependent changes have been merged and published in downstream modules

For more details about how should the code look like read the Contributing guideline

[sonarqubecloud]

Quality Gate failed

Failed conditions
55.6% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud