Allow base-4.21 #1098

Job	Run time
fedora37	4m 6s
arm (arm32v7)	2m 24s
arm (arm64v8)	2m 31s
build (ubuntu-24.04, 9.12)	4m 15s
build (ubuntu-24.04, 9.10)	2m 0s
build (ubuntu-24.04, 9.8)	2m 13s
freebsd (self-hosted, FreeBSD, X64, 9.4)	15s
build (ubuntu-24.04, 9.6)	3m 16s
i386	3m 9s
freebsd (self-hosted, FreeBSD, X64, 9.6)	16s
build (ubuntu-24.04, 9.4)	3m 5s
build (ubuntu-24.04, 9.2)	2m 18s
redhat-ubi9	3m 27s
build (ubuntu-24.04, 9.0)	4m 29s
build (ubuntu-24.04, 8.10)	4m 29s
build (ubuntu-24.04, 8.8)	4m 30s
build (ubuntu-24.04, 8.6)	4m 24s
build (macOS-latest, 9.12)	5m 14s
build (macOS-latest, 9.10)	4m 18s
build (macOS-latest, 9.8)	3m 59s
build (macOS-latest, 9.6)	3m 48s
build (macOS-latest, 9.4)	3m 39s
build (macOS-latest, 9.2)	2m 55s
	1h 15m 0s

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