fix(vector): use semantic version comparison for version check (#24409)

api/core/rag/datasource/vdb/milvus/milvus_vector.py

             if "Zilliz Cloud" in milvus_version:
                 return True
             # For standard Milvus installations, check version number
-            return version.parse(milvus_version).base_version >= version.parse("2.5.0").base_version
+            return version.parse(milvus_version) >= version.parse("2.5.0")
         except Exception as e:
             logger.warning("Failed to check Milvus version: %s. Disabling hybrid search.", str(e))
             return False

api/core/rag/datasource/vdb/oceanbase/oceanbase_vector.py

             ob_full_version = result.fetchone()[0]
             ob_version = ob_full_version.split()[1]
             logger.debug("Current OceanBase version is %s", ob_version)
-            return version.parse(ob_version).base_version >= version.parse("4.3.5.1").base_version
+            return version.parse(ob_version) >= version.parse("4.3.5.1")
         except Exception as e:
             logger.warning("Failed to check OceanBase version: %s. Disabling hybrid search.", str(e))
             return False