Added __int__ to IFDRational for Python >= 3.11

Author: radarhere

src/PIL/TiffImagePlugin.py

@@ -425,6 +425,9 @@ def delegate(self, *args):
     __ceil__ = _delegate("__ceil__")
     __floor__ = _delegate("__floor__")
     __round__ = _delegate("__round__")
+    # Python >= 3.11
+    if hasattr(Fraction, "__int__"):
+        __int__ = _delegate("__int__")
 
 
 class ImageFileDirectory_v2(MutableMapping):