refactor: correct logging style

Author: alukach

src/stac_auth_proxy/middleware/BuildCql2FilterMiddleware.py

@@ -54,7 +54,7 @@ async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
         try:
             cql2_filter.validate()
         except ValidationError:
-            logger.exception("Invalid CQL2 filter: %s", filter_expr)
+            logger.error("Invalid CQL2 filter: %s", filter_expr)
             return await Response(status_code=502, content="Invalid CQL2 filter")
         setattr(request.state, self.state_key, cql2_filter)