Archive this repository

[mctavish]

As stated in the readme, this product will be unsupported after 31 August 2023 and will be archived.

This issue will track any remaining cleanup on the repository and the archival.

Note that the archival will not prevent use, and users are welcomed to fork the repository in order to fix bugs, update dependencies, or add features.

[mctavish]

Final release created at https://github.com/GoogleCloudPlatform/cloud-debug-java/releases/tag/v4.1