Bump buildpacks/github-actions from 5.7.3 to 5.7.4 (#326) #434

Job	Run time
Obtain CTC Lock	0s
shellcheck	3s
Build heroku-20 (amd64)	4m 14s
Build heroku-22 (amd64)	3m 36s
Build heroku-24 (amd64)	2m 32s
Build heroku-24 (arm64)	2m 57s
Upload heroku-${{ matrix.stack-version }} runtime images	0s
Publish heroku-20 (amd64)	2m 19s
Publish heroku-22 (amd64)	1m 47s
Publish heroku-24 (amd64)	1m 35s
Publish heroku-24 (arm64)	1m 50s
Publish heroku-24 indices	11s
Promote heroku-${{ matrix.stack-version }} tags	0s
	21m 4s

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