test: rename npm E2E suite to webpack #2665

Job	Run time
list	23s
workflow (devkit-core-tests)	1m 17s
workflow (build-cli)	1m 46s
workflow (modules-builder-tests)	1m 46s
workflow (build-unit-tests)	2m 28s
workflow (devkit-core-tests-rerun)	1m 20s
	9m 0s

Provide feedback