CI-CD

fix: support 2020-12 anchors and ref siblings #425

Job	Run time
Browser Tests (ubuntu-latest)	46s
Browser Tests (windows-latest)	1m 36s
Node current on ubuntu-latest	27s
Node lts/* on ubuntu-latest	26s
Node 20 on ubuntu-latest	25s
Node current on macos-latest	43s
Node 20 on windows-latest	1m 20s
Node lts/* on macos-latest	42s
Node lts/* on windows-latest	1m 6s
Node 20 on macos-latest	38s
Node current on windows-latest	1m 1s
Release	48s
Code Coverage	3s
	10m 1s

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