Added `nodejs-npm-install` Buildpack #829

Job	Run time
rust-unit-test	1m 0s
shpec (20, buildpacks/npm)	32s
shpec (22, buildpacks/npm)	39s
shell-lint	2m 22s
rust-lint	1m 4s
cutlass-integration-test (test/specs/node-function)	3m 53s
cutlass-integration-test (test/specs/node)	5m 29s
Find libcnb buildpacks	4s
libcnb.rs integration tests (./buildpacks/nodejs-corepack)	2m 8s
libcnb.rs integration tests (./buildpacks/nodejs-engine)	1m 58s
libcnb.rs integration tests (./buildpacks/nodejs-function-invoker)	3m 27s
libcnb.rs integration tests (./buildpacks/nodejs-npm-install)	2m 16s
libcnb.rs integration tests (./buildpacks/nodejs-pnpm-install)	2m 10s
libcnb.rs integration tests (./buildpacks/nodejs-yarn)	1m 13s
	28m 15s

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