ci: don't cache `node_modules` since it breaks updating node versions
ci: don't cache `node_modules` since it breaks updating node versions

See #22
dherges/ng-packagr,DavidParks8/ng-packagr,DavidParks8/ng-packagr,DavidParks8/ng-packagr,dherges/ng-packagr,DavidParks8/ng-packagr,dherges/ng-packagr,dherges/ng-packagr