fix(vectorstores): add missing base classes to DocStoreVector node

[corporatepoetry]

DocStore_VectorStores was the only vector store node missing 'VectorStoreRetriever' and 'BaseRetriever' in its baseClasses, preventing it from being connectable to nodes expecting those types.

Also adds 'VectorStoreRetriever' to the retriever output baseClasses and bumps the node version to 1.1.

Fixes #6490

[gemini-code-assist]

Code Review

This pull request updates the DocStoreVector component by incrementing its version to 1.1 and expanding the baseClasses for both the node and its retriever input to include VectorStoreRetriever and BaseRetriever. The reviewer suggested also adding VectorStore to the node's top-level baseClasses to ensure full compatibility and connectability as a vector store.

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[gemini-code-assist]

Since this node can also output a VectorStore (as defined in the outputs array), it should include 'VectorStore' in its top-level baseClasses to ensure it is fully compatible and connectable as a vector store in all contexts.

Suggested change

	this.baseClasses = [this.type, 'VectorStoreRetriever', 'BaseRetriever']
	this.baseClasses = [this.type, 'VectorStore', 'VectorStoreRetriever', 'BaseRetriever']