Tests

fix doc tests in usage guide #1459

Job	Run time
pypy (pypy-3.8)	1m 5s
doctest-lxml (3.12)	13s
cpython (3.8)	57s
pypy (pypy-3.9)	55s
cpython-lxml (3.8)	1m 25s
cpython (3.9)	51s
pypy (pypy-3.10)	59s
cpython-lxml (3.9)	1m 15s
cpython (3.10)	51s
static-tests (3.12)	27s
cpython-lxml (3.10)	1m 22s
cpython (3.11)	48s
cpython-lxml (3.11)	1m 32s
cpython (3.12)	56s
cpython-lxml (3.12)	2m 1s
cpython (3.13-dev)	1m 7s
cpython-lxml (3.13-dev)	2m 12s
cpython (3.14-dev)	1m 3s
Build and publish to PyPI and TestPyPI	1s
	20m 0s

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