Genkit Go v0.5.4

What's Changed

• chore(go/plugins/googlegenai): expose gemini-2.5-pro-preview-05-06 by @hugoaguirre in #2870
• feat(go/plugins): add generic OpenAI plugin by @kekoawong in #2829
• feat({go,js,py}): Add missing UsageMetadata fields by @hugoaguirre in #2860
• fix(go/genkit): update YAML library from go-yaml/yaml to goccy/go-yaml by @ihan211 in #2841
• fix(go): run modernize happy by @zchee in #2897
• fix(go): unify indirect require section in go.mod by @zchee in #2898
• feat(go/plugins/googlegenai): add thinking support by @hugoaguirre in #2846
• bug(go): propagate telemetry labels from Reflection API to tracing by @sahdev77 in #2881

New Contributors

• @devchas made their first contribution in #2646
• @ihan211 made their first contribution in #2841
• @zchee made their first contribution in #2897

Full Changelog: go/v0.5.3...go/v0.5.4