chore(main): release 0.38.6

[droplet-bot]

🤖 I have created a release beep boop

0.38.6 (2026-01-30)

Features

• model: add creator tracking to model resource (#782) (6006495)

Miscellaneous

• deps: bump golang.org/x/crypto from 0.39.0 to 0.45.0 (#781) (5ba9c88)
• deps: update protogen-go and x dependencies (#786) (611f0f2)
• go: upgrade to 1.25.6 (b1e0c30)

Refactor

• acl: migrate to shared ACL client library and remove deprecated handlers (#784) (b32dd03)
• api: align Model API naming with Pipeline convention (#785) (aa64bd3)
• model: adopt flattened protobuf packages and AIP-compliant resource names (#783) (1d372db)
• model: move repository tag management APIs for Docker registry (#779) (0247eee)
• test: standardize file naming and migrate from JWT to Basic Auth (#787) (f732758)

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This PR was generated with Release Please. See documentation.

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Note

Low Risk
Release-only metadata updates (changelog + version manifest) with no production code changes, so functional risk is minimal.

Overview
Releases v0.38.6. Updates CHANGELOG.md with the new release notes and bumps release-please/manifest.json from 0.38.5 to 0.38.6.

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