feat: build lxml/xmlsec from source #9672

Job	Run time
ci / revisions	1s
ci / buildx / Build, stable, linux/arm64	5m 16s
ci / build / Build, stable, linux/amd64	24s
ci / Anchore Container Scan	1m 17s
ci / Trivy Container Scan	2m 5s
ci / test-basic / Test container basic, stable	2m 59s
ci / test-novolume / Test container read-write, stable	3m 1s
ci / test-single-celery / Test container celery-single, stable	2m 20s
ci / test-saml / Test container saml, stable	2m 54s
ci / test-localtime / Test container localtime, stable	3m 1s
ci / test-split / Test container split, stable	2m 26s
ci / test-ssl / Test container basic, stable	2m 43s
ci / Merge images, stable	4m 45s
ci / Tests, stable	1s
ci / Publish to GitHub, ${{ inputs.variant }}	0s
ci / Publish to Docker Hub, ${{ inputs.variant }}	0s
Create release on GitHub	0s
	33m 13s

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