Update heroku/buildpacks-nodejs to v1.1.6 #554

Job	Run time
create (buildpacks-20)	1m 50s
create (builder-classic-22)	1m 17s
create (builder-22)	3m 10s
test-functions (builder-22, java)	1m 21s
test-guides (buildpacks-20, go)	1m 39s
test-functions (builder-22, javascript)	1m 27s
test-guides (buildpacks-20, gradle)	2m 17s
test-functions (builder-22, typescript)	1m 37s
test-guides (buildpacks-20, java)	1m 23s
test-guides (buildpacks-20, node-js)	1m 13s
test-guides (buildpacks-20, php)	1m 22s
test-guides (buildpacks-20, python)	1m 18s
test-guides (buildpacks-20, ruby)	3m 21s
test-guides (buildpacks-20, scala)	2m 24s
test-guides (buildpacks-20, typescript)	1m 14s
test-guides (builder-classic-22, go)	1m 22s
test-guides (builder-classic-22, gradle)	2m 22s
test-guides (builder-classic-22, java)	1m 34s
test-guides (builder-classic-22, node-js)	1m 6s
test-guides (builder-classic-22, php)	1m 2s
test-guides (builder-classic-22, python)	1m 25s
test-guides (builder-classic-22, ruby)	3m 11s
test-guides (builder-classic-22, scala)	2m 53s
test-guides (builder-classic-22, typescript)	1m 15s
test-guides (builder-22, go)	1m 12s
test-guides (builder-22, gradle)	2m 2s
test-guides (builder-22, java)	1m 32s
test-guides (builder-22, node-js)	54s
test-guides (builder-22, php)	51s
test-guides (builder-22, python)	59s
test-guides (builder-22, ruby)	2m 45s
test-guides (builder-22, scala)	1m 55s
test-guides (builder-22, typescript)	1m 13s
test-guides (builder-classic-22, clojure)	1m 40s
publish	0s
	58m 6s

Provide feedback