Replacing deprecated finalize code

Prerequisites

[x] Reviewed the checklist
[x] Reviewed feedback from the "Sonar Cloud" bot. Note that you have to wait for the "CI / Unit Tests") to complete first. Failed Unit tests can be debugged by adding the label "verbose logging" to the GitHub PR.

Description of the Change

Replacing finalize methods, which have been deprecated for many versions of java, with java's cleaner Api. Cleaners will call the same function as finalize to clean up objects in memory manager.

Alternate Designs

Phantom references are another solution to replacing finalize. Cleaner was chosen as it requires far less refacotring to work.

Why Should This Be In Core?

N/A

Benefits

Deprecated code is removed.

Possible Drawbacks

If done incorrectly, it may cause memory related issues.

Verification Process

Run the newly added tests that verify memory manger has removed unused objects.

Applicable Issues

https://github.com/constellation-app/constellation/issues/1521

constellation-app / constellation

Replacing deprecated finalize code #2184