What's Changed

• internal: Expand regex to fix build [5.x] by @baloo in #1644
• build: raise timeouts for windows CI tests and disable CIFuzz [5.x] by @baloo in #1646
• plumbing: support commits extra headers, support jujutsu signed commit [5.x] by @baloo in #1633

Full Changelog: v5.16.2...v5.16.3