csapi-mqtt: AsyncAPI service description - #263

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v3, actions/setup-java@v3, gradle/gradle-build-action@67421db6bd0bf253fb4bd25b31ebb98943c375e1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

The `save-state` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

Failed to restore v6-gradle|Linux|build[37a6259cc0c1dae299a7866489dff0bd]-2f427d46dc8e05d6cfe4cbcdcada532fb1f31777: Error: Cache service responded with 400

The `save-state` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `save-state` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `save-state` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

setup-java v3 is deprecated and will no longer receive updates. Please migrate to actions/setup-java@v5.