textproc/py-jq: update to 1.5.0

and patch one reference string from "$end" to "end of file"
in several tests, to let "make test" pass... these tests seem to test
that there *IS* an error message, so let's adjust the expect string
to what we get.

ChangeLog: https://github.com/mwilliamson/jq.py/blob/1.5.0/CHANGELOG.rst#150