Add Scoop bucket manual-update Justfile recipe #25

Job	Run time
plan	11s
build-local-artifacts (${{ join(matrix.targets, ', ') }})	0s
build-global-artifacts	-1s
custom-publish-deb	-1s
host	-1s
custom-publish-crates	-1s
announce	0s
custom-publish-docker	-1s
	6s

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