refactor(build): extract libxml2 dependency installation into separat… #420

Job	Run time
OK to pack?	7s
build-artifact-dev	0s
build-extra-packages	0s
matrix.name	0s
build-linux-packages-arm64	0s
build-linux-packages	0s
create-release	0s
upload-extra-packages	0s
upload-release	0s
upload-linux-packages	0s
deploy	0s
update-manticoresearch-deps	-1s
	6s

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