3.8.6.dev4: Nightly Development Release

What's Changed

Bug Fixes 🐞

• Add TLA+ model for deployment concurrency leases by @desertaxle in #23030

Documentation 📓

• chore(docs): add explanation of commit_mode by @bdalpe in #23077

Uncategorized

• chore(deps): Update docker images by @prefect-renovate[bot] in #23053
• Bump js-yaml from 4.2.0 to 4.3.2 in /ui-v2 by @dependabot[bot] in #23074
• Handle abstract container annotations for nested blocks by @devin-ai-integration[bot] in #23082
• Bump vitest from 4.1.10 to 4.1.11 in /ui-v2 by @dependabot[bot] in #23073

Full Changelog: 3.8.6.dev3...3.8.6.dev4