support custom groups for zproc, e.g. 1x_depth #5305

Job	Run time
Doc test (ubuntu-latest, 3.9)	44s
Test minimal env (ubuntu-latest, 3.10)	55s
Test coverage (ubuntu-latest, 3.10, <6, <2, <1.23)	7m 20s
API doc completeness test (ubuntu-latest, 3.9)	26s
Style check (ubuntu-latest, 3.9)	22s
Unit tests (ubuntu-latest, 3.9, ==5.0, ==1.1.6, <1.23)	5m 35s
Unit tests (ubuntu-latest, 3.9, ==5.0, <2, <1.23)	5m 14s
Unit tests (ubuntu-latest, 3.9, <6, ==1.1.6, <1.23)	5m 38s
Unit tests (ubuntu-latest, 3.9, <6, <2, <1.23)	5m 10s
Unit tests (ubuntu-latest, 3.10, ==5.0, ==1.1.6, <1.23)	5m 51s
Unit tests (ubuntu-latest, 3.10, ==5.0, <2, <1.23)	5m 41s
Unit tests (ubuntu-latest, 3.10, <6, ==1.1.6, <1.23)	5m 41s
Unit tests (ubuntu-latest, 3.10, <6, <2, <1.23)	5m 26s
	54m 3s

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