v0.9.52

Changelog

• 18c23de tests: Record the v0.9.51 launcher pin
• 1983b1e docs: Align header navigation with the title baseline
• c501b6f docs: Distinguish header navigation from action alignment
• 34eebce webui: Align navigation labels with page titles

Release notes

• System's Settings and Migrations links now share the page title's baseline while
  retaining their padded click targets.

🤖 Drafted by Codex on chakrit's behalf.