GitHub workflows: Add commit SHA pattern to spelling action #312

Job	Run time
build-old (debian-buster, arm/v7)	7m 35s
build-old (debian-bookworm, 386)	1m 3s
build-old (debian-buster, 386)	51s
build-old (ubuntu-trusty, arm/v7)	5m 54s
build-old (debian-bookworm, arm/v7)	7m 55s
build-old (ubuntu-trusty, 386)	46s
build-old (debian-bookworm, aarch64)	8m 9s
build-old (debian-bookworm, s390x)	7m 6s
build-old (debian-bookworm, ppc64le)	8m 37s
	47m 56s

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