chore: change default token validity interval to 1h

Author: nzentzis

projects/fal/src/fal/toolkit/file/providers/fal.py

@@ -129,7 +129,10 @@ def __init__(self):
         )
         self._lock: threading.Lock = threading.Lock()
 
-    def get_token(self, valid_for: timedelta | int | None = None) -> FalV2Token:
+    def get_token(
+        self,
+        valid_for: timedelta | int | None = timedelta(hours=1),
+    ) -> FalV2Token:
         """
         Get a valid authentication token.