feat(qdrant): implement hybrid and keyword search support

- Implement hybrid search using Qdrant's native query filtering
- Add keyword search support
- Update test suites to include qdrant for keyword and hybrid modes

Signed-off-by: Varsha Prasad Narsing <varshaprasad96@gmail.com>

tests/integration/vector_io/test_openai_vector_stores.py

@@ -57,16 +57,20 @@ def skip_if_provider_doesnt_support_openai_vector_stores_search(client_with_mode
         ],
         "keyword": [
             "inline::milvus",
+            "inline::qdrant",
             "inline::sqlite-vec",
             "remote::milvus",
             "remote::pgvector",
+            "remote::qdrant",
             "remote::weaviate",
         ],
         "hybrid": [
             "inline::milvus",
+            "inline::qdrant",
             "inline::sqlite-vec",
             "remote::milvus",
             "remote::pgvector",
+            "remote::qdrant",
             "remote::weaviate",
         ],
     }