Fix duplicated keywords for typing._ConcatenateGenericAlias in 3.10.2… #1875

Job	Run time
Lint	8s
Run tests (3.8)	9s
Run tests (3.8.0)	12s
Run tests (3.9)	11s
Run tests (3.9.0)	12s
Run tests (3.10)	7s
Run tests (3.10.0)	11s
Run tests (3.11)	7s
Run tests (3.11.0)	14s
Run tests (3.12)	10s
Run tests (3.12.0)	15s
Run tests (3.13)	10s
Run tests (3.13.0)	13s
Run tests (pypy3.8)	10s
Run tests (pypy3.9)	10s
Run tests (pypy3.10)	5s
Create an issue if daily tests failed	0s
	2m 44s

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