gh-153695: Fix sqlite3.Row.__hash__ with an unhashable value

[tonghuaroot]

sqlite3.Row.__hash__ did not check the -1 error return of PyObject_Hash,
so hashing a row that holds an unhashable value raised SystemError instead of
TypeError. Check each hash and propagate the exception.

• Issue: sqlite3.Row.__hash__ raises SystemError instead of TypeError for an unhashable value #153695