Update LICENSE.txt files for 4.6.0 RC2 release

[HeshanSudarshana]

Purpose

This pull request updates the all-in-one-apim/LICENSE.txt file to reflect a new set of bundled JARs and their licenses, primarily for the WSO2 API Manager platform. The changes consist of upgrading multiple WSO2 Carbon and related JARs to newer versions, introducing new components, and removing outdated ones. These updates ensure that the licensing information matches the current dependencies used in the product.

Dependency upgrades and replacements:

• Upgraded several key WSO2 Carbon modules to newer versions, including org.wso2.carbon.apimgt.rest.api.util, org.wso2.carbon.identity.oauth.client.authn.filter, org.wso2.carbon.apimgt.rest.api.publisher.v1.common, and others, replacing old versions with their latest releases. [1] [2] [3] [4]
• Updated OAuth-related modules to version 6.13.41, such as org.wso2.carbon.identity.oauth.stub, org.wso2.carbon.identity.oauth.ui, and org.wso2.carbon.identity.oauth.common, ensuring compatibility with the latest identity management features. [1] [2] [3] [4]

New components added:

• Added new modules such as org.wso2.carbon.apimgt.keymgt.stub, org.wso2.carbon.apimgt.common.gateway, org.wso2.carbon.apimgt.throttle.policy.deployer, org.wso2.carbon.apimgt.federated.gateway, and azure.gw.manager, reflecting new features or integrations in the API Manager platform. [1] [2] [3] [4] [5]

Obsolete components removed:

• Removed outdated JARs such as org.wso2.carbon.apimgt.keymgt.client, org.wso2.carbon.apimgt.governance.api, org.wso2.carbon.apimgt.eventing, org.wso2.carbon.apimgt.eventing.hub, and others, cleaning up unused or deprecated dependencies. [1] [2] [3] [4] [5]

License and module list accuracy:

• Ensured the LICENSE file accurately reflects the current set of bundled modules and their licenses, maintaining compliance and transparency for all distributed components. [1] [2] [3]

Gateway and integration improvements:

• Replaced envoy.gw.manager and older azure.gw.manager versions with newer releases, indicating updates to gateway management and cloud integrations. [1] [2] [3]

These changes help keep the product up-to-date, secure, and compliant with open-source licensing requirements.