added update reachability to modifiers #1254

Job	Run time
tests (ubuntu-latest, unit, 3.8)	50s
tests (ubuntu-latest, unit, 3.11)	50s
tests (ubuntu-latest, integration, 3.8)	2m 59s
tests (ubuntu-latest, integration, 3.11)	2m 21s
tests (ubuntu-latest, tool, 3.8)	53s
tests (ubuntu-latest, tool, 3.11)	42s
tests (windows-2022, unit, 3.8)	1m 43s
tests (windows-2022, unit, 3.11)	1m 30s
tests (windows-2022, integration, 3.8)	3m 4s
tests (windows-2022, integration, 3.11)	3m 4s
tests (windows-2022, tool, 3.8)	2m 52s
tests (windows-2022, tool, 3.11)	2m 33s
coverage	12s
	23m 33s

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