agent-platform release v4.39.0

Added

• (model-serving) The cache claim’s defaults are 100Gi at 500 MiB/s / 3000 IOPS — the shipped presets need < 40 GiB and the read is loader-bound at ≈ 300 MB/s; the default class is named with a digest of its parameters and an existing claim keeps its class and size (#570) in #571 by @teemow

Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.38.3...v4.39.0