Bump actions/stale from 8 to 9 #2119

Job	Run time
coverage	4m 22s
lint	25s
unit-tests (ubuntu-latest, dash, 4)	1m 51s
integration-tests (ubuntu-latest, dash, 4)	1m 37s
unit-tests (windows-latest, bash, 1)	8m 46s
unit-tests (windows-latest, cygwin, 1)	5m 32s
unit-tests (windows-latest, wsl, 4)	5m 40s
unit-tests (macos-latest, bash 3.2, 4)	3m 33s
unit-tests (macos-latest, bash 3.2 with coreutils, 4)	4m 3s
unit-tests (ubuntu-latest, centos:7, bash 4.2, 4)	2m 35s
unit-tests (ubuntu-latest, registry.access.redhat.com/ubi8/ubi-minimal, bash 4.4, 4)	2m 27s
unit-tests (ubuntu-latest, alpine, zsh, 4)	2m 1s
unit-tests (ubuntu-latest, alpine, ash, 4)	2m 1s
unit-tests (ubuntu-latest, ubuntu:22.04, posh, 4)	2m 22s
report	11s
	47m 26s

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