feat: add latest models to Google Generative AI, Anthropic Models

[edwinjosechittilappilly]

This pull request includes updates to the model constants and their usage in dropdown inputs for Anthropic and Google Generative AI models. The key changes involve moving the model options to separate constants files and updating the dropdown input components to use these constants.

Model Constants Update:

• src/backend/base/langflow/base/models/anthropic_constants.py: Added a list of Anthropic models to a new constant ANTHROPIC_MODELS.
• src/backend/base/langflow/base/models/google_generative_ai_constants.py: Added a list of Google Generative AI models to a new constant GOOGLE_GENERATIVE_AI_MODELS.

Dropdown Input Components Update:

• src/backend/base/langflow/components/models/anthropic.py: Imported ANTHROPIC_MODELS and updated the DropdownInput options in the AnthropicModelComponent class to use this constant. [1] [2]
• src/backend/base/langflow/components/models/google_generative_ai.py: Imported GOOGLE_GENERATIVE_AI_MODELS and updated the DropdownInput options in the GoogleGenerativeAIComponent class to use this constant. [1] [2]

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #4685 will degrade performances by 32.78%

_{Comparing feat-add-latest-model-names (d6b71d5) with main (5df0854)}

Summary

❌ 2 regressions ✅ 13 untouched benchmarks

:warning: Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	feat-add-latest-model-names	Change
❌	test_successful_run_with_input_type_text	217.6 ms	296.1 ms	-26.53%
❌	test_successful_run_with_output_type_any	183 ms	272.2 ms	-32.78%