feat: use `npm` for managing js packages #1567

Job	Run time
rubocop	8s
test	10s
test_generated_apps (defaults, ackama_rails_template.config.yml, yes)	4m 44s
audit_dependencies	4s
test_generated_apps (all, ci/configs/all.yml, yes)	3m 32s
test_generated_apps (all-typescript, ci/configs/all-typescript.yml, yes)	3m 56s
test_generated_apps (basic, ci/configs/basic.yml)	3m 47s
test_generated_apps (basic-typescript, ci/configs/basic-typescript.yml)	4m 17s
test_generated_apps (github_actions, ci/configs/github_actions.yml, yes)	3m 53s
test_generated_apps (react, ci/configs/react.yml)	3m 45s
test_generated_apps (react-typescript, ci/configs/react-typescript.yml)	3m 46s
test_generated_apps (sidekiq, ci/configs/sidekiq.yml)	3m 25s
test_generated_apps (devise, ci/configs/devise.yml)	3m 32s
test_generated_apps (basic_with_skips, ci/configs/basic.yml, --skip-spring --skip-javascript)	3m 31s
test_generated_apps (bootstrap, ci/configs/bootstrap.yml)	3m 38s
test_generated_apps (bootstrap-typescript, ci/configs/bootstrap-typescript.yml)	4m 32s
test_generated_apps (capistrano, ci/configs/deploy_with_capistrano.yml)	3m 44s
test_generated_apps (ackama_ec2_capistrano, ci/configs/deploy_with_ackama_ec2_capistrano.yml)	4m 0s
	58m 24s

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