[Mem0] Update dependencies and make the package lighter (#1708)

Co-authored-by: Dev-Khant <devkhant24@gmail.com>

mem0/vector_stores/configs.py

@@ -1,31 +1,34 @@
 from typing import Optional, Dict
 from pydantic import BaseModel, Field, model_validator
 
+
 class VectorStoreConfig(BaseModel):
     provider: str = Field(
         description="Provider of the vector store (e.g., 'qdrant', 'chroma')",
         default="qdrant",
     )
     config: Optional[Dict] = Field(
-        description="Configuration for the specific vector store",
-        default=None
+        description="Configuration for the specific vector store", default=None
     )
 
     _provider_configs: Dict[str, str] = {
         "qdrant": "QdrantConfig",
         "chroma": "ChromaDbConfig",
-        "pgvector": "PGVectorConfig"
+        "pgvector": "PGVectorConfig",
     }
 
     @model_validator(mode="after")
-    def validate_and_create_config(self) -> 'VectorStoreConfig':
+    def validate_and_create_config(self) -> "VectorStoreConfig":
         provider = self.provider
         config = self.config
 
         if provider not in self._provider_configs:
             raise ValueError(f"Unsupported vector store provider: {provider}")
 
-        module = __import__(f"mem0.configs.vector_stores.{provider}", fromlist=[self._provider_configs[provider]])
+        module = __import__(
+            f"mem0.configs.vector_stores.{provider}",
+            fromlist=[self._provider_configs[provider]],
+        )
         config_class = getattr(module, self._provider_configs[provider])
 
         if config is None:
@@ -40,4 +43,4 @@ class VectorStoreConfig(BaseModel):
             config["path"] = f"/tmp/{provider}"
 
         self.config = config_class(**config)
-        return self
+        return self