Message 379997 - Python tracker

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Content
> bpo-42208: Pass tstate to _PyGC_CollectNoFail() (GH-23038)
> https://github.com/python/cpython/commit/8b3414818f5289eac530bf38bcfbd7b2b851805c

This change renames collect() to gc_collect_main(). It broke test_gdb on buildbots, whereas test_gdb passed on Travis CI on my PR 23038. Also, test_gdb is skipped on the Ubuntu job of GitHub Action since gdb is not installed. I created https://github.com/python/core-workflow/issues/383 to add gdb to Ubuntu dependencies. My PR 23043 adds gdb dependency.