feat(blocks): Add new openrouter models

[Torantulino]

Summary:
This PR removes the GEMINI_FLASH_1_5_EXP model (due to inference on OpenRouter not working) and introduces several new models to the LlmModel enum. Corresponding updates have been made to the metadata configurations and block cost settings to reflect the changes.

Key Changes:

1. Removed Models:

   • GEMINI_FLASH_1_5_EXP

2. Added New Models:

   • QWEN_QWQ_32B_PREVIEW
   • NOUSRESEARCH_HERMES_3_LLAMA_3_1_405B
   • NOUSRESEARCH_HERMES_3_LLAMA_3_1_70B
   • AMAZON_NOVA_LITE_V1
   • AMAZON_NOVA_MICRO_V1
   • AMAZON_NOVA_PRO_V1
   • MICROSOFT_WIZARDLM_2_8X22B
   • GRYPHE_MYTHOMAX_L2_13B

3. Metadata Updates:

   • Added metadata entries for the new models with a max output tokens of 4,000 tokens.

4. Cost Configuration Updates:

   • Defined block costs for the newly added models:
     • QWEN_QWQ_32B_PREVIEW: 2 credits
     • All other new models: 1 credit

Testing:

• Verified that all models can be called without errors with the AI Text generator block

[github-actions]

This PR targets the master branch but does not come from dev or a hotfix/* branch.

Automatically setting the base branch to dev.

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[codecov]

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