Update actions/setup-node action to v4.1.0 (#2726) #8833

Job	Run time
Checks and variables	1m 34s
Unit Tests	48s
NJS Unit Tests	11s
Build Binary	31s
Build Plus images / build	1m 59s
Build OSS images (ngf, linux/arm64, linux/amd64) / build	1m 19s
Build OSS images (nginx, linux/arm64, linux/amd64) / build	55s
Helm Tests	0s
Conformance tests (nginx, v1.25.16, true) / Run Tests	5m 52s
Conformance tests (nginx, v1.25.16, false) / Run Tests	6m 2s
Conformance tests (nginx, v1.31.1, false) / Run Tests	5m 37s
Conformance tests (nginx, v1.31.1, true) / Run Tests	5m 40s
Conformance tests (plus, v1.25.16, false) / Run Tests	6m 24s
Conformance tests (plus, v1.25.16, true) / Run Tests	6m 14s
Conformance tests (plus, v1.31.1, false) / Run Tests	5m 31s
Conformance tests (plus, v1.31.1, true) / Run Tests	5m 39s
Package and Publish Helm Chart	0s
Functional tests (nginx, v1.25.16) / Run Tests	13m 20s
Functional tests (nginx, v1.31.1) / Run Tests	12m 42s
Functional tests (plus, v1.25.16) / Run Tests	13m 24s
Functional tests (plus, v1.31.1) / Run Tests	13m 2s
	1h 46m 44s

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