utils: fix 'get_partition_walltime' typo in docstring

src/sluurp/utils.py

@@ -59,8 +59,8 @@ def get_partition_gpus(partition: str) -> tuple:
 def get_partition_walltime(partition: str) -> dict[str, str]:
     """
     Return for the given partition:
-    * time: walltime limit as DD:HH:MM
-    * default_time: default walltime as DD:HH:MM
+    * time: walltime limit as HH:MM:SS
+    * default_time: default walltime as HH:MM:SS
     """
     process = SubProcessCommand(
         command=f"sinfo --partition={partition} -O DefaultTime,Time"