add llamahub metadata to pyproject.toml (#10666)

llama-index-experimental/pyproject.toml

llama-index-finetuning/pyproject.toml

...ions/agent/llama-index-agent-openai-legacy/pyproject.toml

...ntegrations/agent/llama-index-agent-openai/pyproject.toml

...ations/callbacks/llama-index-callbacks-aim/pyproject.toml

...ns/callbacks/llama-index-callbacks-argilla/pyproject.toml

...lbacks/llama-index-callbacks-arize-phoenix/pyproject.toml

...s/callbacks/llama-index-callbacks-deepeval/pyproject.toml

.../callbacks/llama-index-callbacks-honeyhive/pyproject.toml

...lbacks/llama-index-callbacks-openinference/pyproject.toml

...allbacks/llama-index-callbacks-promptlayer/pyproject.toml

...ions/callbacks/llama-index-callbacks-wandb/pyproject.toml

.../embeddings/llama-index-embeddings-adapter/pyproject.toml

...embeddings/llama-index-embeddings-anyscale/pyproject.toml

...ddings/llama-index-embeddings-azure-openai/pyproject.toml

.../embeddings/llama-index-embeddings-bedrock/pyproject.toml

...embeddings/llama-index-embeddings-clarifai/pyproject.toml

...ons/embeddings/llama-index-embeddings-clip/pyproject.toml

...s/embeddings/llama-index-embeddings-cohere/pyproject.toml

...dings/llama-index-embeddings-elasticsearch/pyproject.toml