• Fix: Support models without ID setters in build_stubbed (Olivier Bellone).
• Fix: Explicit observer dependency (Oleg Antonyan).
• Internal: Add Rails 7.1 to CI (Olivier Bellone).
• Internal: Bump github actions/checkout to v4 (Lorenzo Zabot)
• Internal: Stop passing disable-error_highlight in CI (Mike Burns).
• Internal: Relax the exception message check (Mike Burns).