Make category/type update backwards compatible. #724

Job	Run time
Test with nox (ubuntu-20.04, 3.11, ci_checks_max)	22s
Build distribution packages	20s
Cross-arch tests with nox	0s
Check proto files with protolint	14s
Test with nox (ubuntu-20.04, 3.11, pytest_min)	17s
Test documentation website generation	26s
Cross-arch tests with nox	0s
Test package installation in different architectures	0s
Test with nox	1s
Publish documentation website to GitHub pages	0s
Create GitHub release	0s
Publish packages to PyPI	0s
	1m 40s

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