Revert "Update manifest.yml to use tag rather than sha (#327)" (#331) #512

Job	Run time
shellcheck	4s
Obtain CTC Lock	0s
Build heroku-20 (amd64)	4m 6s
Build heroku-22 (amd64)	3m 27s
Build heroku-24 (amd64)	2m 54s
Build heroku-24 (arm64)	2m 34s
Publish heroku-20 (amd64)	2m 23s
Publish heroku-22 (amd64)	1m 56s
Upload heroku-${{ matrix.stack-version }} runtime images	0s
Publish heroku-24 (amd64)	2m 0s
Publish heroku-24 (arm64)	2m 4s
Publish heroku-24 indices	12s
Promote heroku-${{ matrix.stack-version }} tags	0s
	21m 40s

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