tests

chore: remove assign_issues from blunderbuss configuration (#2579) #8064

Job	Run time
integration tests (ubuntu-latest)	2m 36s
integration tests (macos-latest)	2m 10s
unit tests	1m 7s
integration tests (windows-latest)	3m 31s
FreeBSD and OpenBSD compilation check	37s
	10m 1s

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