* Updated to Github actions v4 as Github actions v3 will be closing down by 1/30/25.
* Updated to use actions/checkout action at the v4 branch as well to be consistent with artifacts. It is recommended to use a sepcific version or tag instead of master to ensure stability and predictability.
* Made the artifact name unique within the workflow run.
- Update S_overrides.mk for SIM_test_varserv so it links correctly in 32 bit (why did only that one have a problem? the world will never know)
- Stop testing Debian Bookworm on python2.7 since support was removed
- Fix some TrickOps unit tests