fix: data can be a float as well (#460)

Author: 12rambau

geetools/ee_asset.py

@@ -775,11 +775,11 @@ def setProperties(self, **kwargs) -> ee.Asset:
         """
         # time_start and time_end are only supporting the "str" format which is inconsistent with the API
         # return statement. To comply with a user expectation, we will do the conversions on our side.
-        def date_in_str(d: str | int | datetime | date) -> str:
+        def date_in_str(d: str | int | float | datetime | date) -> str:
             if isinstance(d, (datetime, date)):
                 d = d.isoformat() + "Z"  # add the Z to indicate UTC time as EE don't read ISO
-            elif isinstance(d, int):
-                d = datetime.fromtimestamp(d / 1000).isoformat() + "Z"
+            elif isinstance(d, (int, float)):
+                d = datetime.fromtimestamp(int(d) / 1000).isoformat() + "Z"
             return str(d)  # if any other format is used, we will simply return it as a string
 
         if "system:start_time" in kwargs: