Genkit JS and CLI 1.31.0

What's Changed

• feat(js/plugins/google-genai): Support for googleai multimodal embedder by @ifielker in #4905
• feat(trace-filter): Add string contains filter by @shrutip90 in #4929
• chore(js): Updating typescript to 5.9.3 and a few other chores by @ifielker in #4920
• fix(js): reflection context is always an object for runAction by @Ehesp in #4910
• feat(cli,js): implemented reflection API v2 in CLI and JS by @pavelgj in #4295
• feat(js/plugins/google-genai): Support for custom + builtin tools by @ifielker in #4983
• chore(js/plugins/googleai): Completely remove deprecated googleai plugin plus by @ifielker in #4948
• feat(js/plugins/google-genai): Support googleMaps tool for googleAI by @ifielker in #4990
• fix: update macos-14 runner to macos-15-intel for darwin-x64 builds by @pavelgj in #4993
• feat(cli): Introduced start:flutter command for Flutter integration, added --write-env-file option to start by @pavelgj in #4972
• chore(js/core): add action key for DAP dynamic actions by @ifielker in #5001
• feat(js/plugins/google-genai): Lyria 3 for googleAI by @ifielker in #5006

New Contributors

• @jeffdh5 made their first contribution in #4927
• @abdallahshaban557 made their first contribution in #4967

Full Changelog: v1.30.1...v1.31.0