feat: Support MetadataFilters for Milvus and SimpleVectorStore

[thucpn]

• Mark ExactMatchFilter as deprecated and use MetadataFilter with many supported operations
• Support OR and AND condition
• Support new operators: EQ, IN
• Add filtering for MilvusVectorStore first
• Support more operators
• Add tests and examples with all operators for SimpleVectorStore and Milvus

Sample filter:

const queryEngineOR = index.asQueryEngine({
    preFilters: {
      filters: [
        {
          key: "private",
          value: "false",
          operator: "==",
        },
        {
          key: "dogId",
          value: ["1", "3"],
          operator: "in",
        },
      ],
      condition: "or",
    }
  });

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🦋 Changeset detected

Latest commit: 03b0bae

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 10 packages

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llamaindex	Patch
@llamaindex/llamaindex-test	Patch
docs	Patch
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@llamaindex/cloudflare-worker-agent-test	Patch
@llamaindex/next-agent-test	Patch
@llamaindex/nextjs-edge-runtime-test	Patch
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---

templates

• default

[marcusschiesser]

if deprecated, must be supported by VectorStoreQuerySpec