Bump `lxml` version for py3.12 #830

Job	Run time
Target linux-aarch64 on arm-4core-linux	3m 46s
Run tests	17s
Target linux-x86_64 on ubuntu-22.04	2m 20s
Target windows-x86_64 on windows-2022	22m 27s
Target macOS	5m 18s
Publish artifacts	0s
	34m 8s

Provide feedback