feat(vertexai): Add `presencePenalty` and `frequencyPenalty` to `GenerationConfig` #802

Job	Run time
web (tests)	1m 5s
web-app-check	1m 4s
web-wasm (tests)	1m 3s
web (packages/cloud_firestore/cloud_firestore/example)	1m 4s
web-wasm (packages/cloud_firestore/cloud_firestore/example)	59s
	5m 15s

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