use no_default for ArrowEA._str_endswith as well

Author: jorisvandenbossche

pandas/core/arrays/arrow/array.py

@@ -2327,7 +2327,7 @@ def _str_startswith(self, pat: str | tuple[str, ...], na=lib.no_default) -> Self
             result = result.fill_null(na)
         return type(self)(result)
 
-    def _str_endswith(self, pat: str | tuple[str, ...], na=None) -> Self:
+    def _str_endswith(self, pat: str | tuple[str, ...], na=lib.no_default) -> Self:
         if isinstance(pat, str):
             result = pc.ends_with(self._pa_array, pattern=pat)
         else: