bump fraction.py to 3.14

Author: mkaraev

stdlib/@tests/test_cases/builtins/check_pow.py

@@ -51,7 +51,6 @@
 # This is probably because of differences in @overload handling.
 assert_type(pow(Fraction(), 4, None), Fraction)  # pyright: ignore[reportAssertTypeFailure]
 assert_type(Fraction() ** 4, Fraction)
-assert_type(Fraction() ** 4 % None, Fraction)
 
 assert_type(pow(Fraction(3, 7), complex(1, 8)), complex)
 assert_type(Fraction(3, 7) ** complex(1, 8), complex)