v0.16.8

Changelog

• 7ef0e64 Bump actions/setup-python from 5 to 6
• f443413 Bump vllm in /test-integration/test_integration/fixtures/granite-project
• 76bf285 Update fastapi requirement from <0.116.0,>=0.100 to >=0.100,<0.119.0
• a4a8553 Upgrade test dependencies (#2544)
• 1087c98 chore: set -buildvcs=false on go build (#2516)
• 171b1d5 feat: add registry migration support with credential fallback (#2541)
• 1e5e31d feat: update llm-docs workflow to use auto-merge PR (#2528)