chore(registry): re-enable registering abstract classes #249

Job	Run time
Test for Python 3.7d on ubuntu-latest	12m 24s
Test for Python 3.8d on ubuntu-latest	12m 0s
Test for Python 3.9d on ubuntu-latest	16m 42s
Test for Python 3.10d on ubuntu-latest	15m 54s
Test for Python 3.11d on ubuntu-latest	19m 52s
Test for Python 3.12d on ubuntu-latest	29m 16s
Test for Python 3.13d on ubuntu-latest	38m 37s
Test for Python 3.7d on windows-latest	7m 40s
Test for Python 3.8d on windows-latest	6m 44s
Test for Python 3.9d on windows-latest	6m 56s
Test for Python 3.10d on windows-latest	6m 59s
Test for Python 3.11d on windows-latest	7m 6s
Test for Python 3.12d on windows-latest	7m 32s
Test for Python 3.13d on windows-latest	7m 42s
Test for Python 3.7d on macos-latest	7m 35s
Test for Python 3.8d on macos-latest	6m 48s
Test for Python 3.9d on macos-latest	9m 29s
Test for Python 3.10d on macos-latest	8m 1s
Test for Python 3.11d on macos-latest	14m 24s
Test for Python 3.12d on macos-latest	15m 30s
Test for Python 3.13d on macos-latest	24m 39s
	4h 41m 50s

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