fix: run linter

These changes lint the code.

Author: jamesbeedy

helm_sdkpy/actions.py

@@ -99,7 +99,7 @@ def __exit__(self, exc_type, exc_val, exc_tb):
         return False
 
     @classmethod
-    def from_service_account(cls, namespace: str = "default") -> "Configuration":
+    def from_service_account(cls, namespace: str = "default") -> Configuration:
         """Create configuration using in-cluster ServiceAccount.
 
         This is for running inside a Kubernetes pod with a ServiceAccount.