feat(node): use node-version datasource (#26918)

lib/modules/manager/nodenv/extract.spec.ts

lib/modules/manager/nodenv/extract.ts

lib/modules/manager/nodenv/index.ts

...ules/manager/npm/extract/__snapshots__/index.spec.ts.snap

lib/modules/manager/npm/extract/common/dependency.ts

lib/modules/manager/npm/extract/index.spec.ts

lib/modules/manager/npm/index.ts

lib/modules/manager/nvm/extract.spec.ts

lib/modules/manager/nvm/extract.ts

lib/modules/manager/nvm/index.ts

...modules/manager/travis/__snapshots__/extract.spec.ts.snap

lib/modules/manager/travis/extract.spec.ts

lib/modules/manager/travis/extract.ts

lib/modules/manager/travis/index.ts