v1.5.1

Highlights: this release adds a fallback to the current Ubuntu archive when a recently-EOL release hasn’t been physically moved to old-releases.ubuntu.com yet. There's also an improvement to the path conflict validation performance and correctness.

What's Changed

• chore: update default maintenance for recent releases by @upils in #325
• fix: fallbacks on current archive if old release not moved yet by @upils in #313
• perf: use a custom trie for path conflict validation by @letFunny in #302
• ai: prepare for agentic workflows by @upils in #290

Full Changelog: v1.5.0...v1.5.1