Fix webpack installation failure

• fix: show errors when npm install fail 5e0a927
• fix: install specific versions of encore and its peer dependencies c13473b
• chore: update dependencies 1faef6c
• fix: incorrect test/bootstrap typing 253b741

PRs

• fix: incorrect test/bootstrap.txt typing by @Julien-R44 in #55

Full Changelog: v5.9.3...v5.9.4