Update heroku/buildpacks-procfile to v3.1.2 #1156

Job	Run time
create (builder-20, amd64)	1m 10s
create (builder-22, amd64)	1m 2s
create (builder-24, amd64)	49s
create (builder-24, arm64)	40s
create (salesforce-functions, amd64)	58s
test-functions (java)	38s
test-functions (javascript)	52s
test-functions (typescript)	1m 0s
test (go, builder-20, amd64)	1m 11s
test (go, builder-22, amd64)	1m 2s
test (go, builder-24, amd64)	50s
test (go, builder-24, arm64)	54s
test (gradle, builder-20, amd64)	2m 17s
test (gradle, builder-22, amd64)	1m 44s
test (gradle, builder-24, amd64)	1m 41s
test (gradle, builder-24, arm64)	1m 33s
test (java, builder-20, amd64)	1m 10s
test (java, builder-22, amd64)	1m 3s
test (java, builder-24, amd64)	58s
test (java, builder-24, arm64)	1m 3s
test (node-js, builder-20, amd64)	53s
test (node-js, builder-22, amd64)	44s
test (node-js, builder-24, amd64)	42s
test (node-js, builder-24, arm64)	35s
test (php, builder-20, amd64)	57s
test (php, builder-22, amd64)	41s
test (php, builder-24, amd64)	34s
test (php, builder-24, arm64)	42s
test (python, builder-20, amd64)	58s
test (python, builder-22, amd64)	53s
test (python, builder-24, amd64)	51s
test (python, builder-24, arm64)	45s
test (ruby, builder-20, amd64)	2m 31s
test (ruby, builder-22, amd64)	2m 3s
test (ruby, builder-24, amd64)	2m 19s
test (ruby, builder-24, arm64)	2m 24s
test (scala, builder-20, amd64)	1m 39s
test (scala, builder-22, amd64)	1m 36s
test (scala, builder-24, amd64)	1m 27s
test (scala, builder-24, arm64)	1m 43s
publish-image	0s
publish-manifest	0s
	47m 32s

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