Genkit Go v1.1.0

What's Changed

• feat(go/genkit): Add vectorsearch vertex ai plugin by @rutujaD1999 in #3230
• fix(go/ai): set role and index on streamed messages correctly by @apascal07 in #3689
• feat(go/ai): add ModelResponse.Media() helper by @apascal07 in #3688
• feat(go): add an interrupt error judgment function by @eric642 in #3556
• fix(go): fixes concurrency issue in Dotprompt instance usage by @apascal07 in #3713
• fix(go/plugins/googlegenai): use one FunctionDeclaration for all tools by @hugoaguirre in #3686
• fix(go): normalize action input according to schema correctly by @apascal07 in #3715
• fix(go/plugins/googlegenai): content candidates improvements by @hugoaguirre in #3714
• fix(go/plugins/googlegenai): parse anyOf in schema by @hugoaguirre in #3674
• docs(go/plugins/mcp): update mcp samples in README by @hugoaguirre in #3629

Full Changelog: go/v1.0.5...go/v1.1.0