feat: [VRD-1133] Implement run.rename()

[liuverta]

Impact and Context

✨

Risks and Area of Effect

• Is this a breaking change?

—

Testing

• Unit test
• Deployed to dev env
• Other (explain)

% pytest test_experimentrun/test_metadata.py::test_rename unit_tests/tracking/test_experiment_run.py::test_rename
==================================================== test session starts ====================================================
platform darwin -- Python 3.7.10, pytest-7.4.2, pluggy-1.2.0
rootdir: /Users/miliu/Documents/modeldb/client/verta/tests
configfile: pytest.ini
plugins: xdist-3.3.1, hypothesis-6.79.4
collected 2 items                                                                                                           

test_experimentrun/test_metadata.py .                                                                                 [ 50%]
unit_tests/tracking/test_experiment_run.py .                                                                          [100%]

===================================================== 2 passed in 7.22s =====================================================

Reverting

• Contains Migration - Do Not Revert

Revert this PR.