Nokogiri updates packaged dependency on libxml2 from 2.9.10 to 2.9.12

Summary Nokogiri v1.11.4 updates the vendored libxml2 from v2.9.10 to v2.9.12 which addresses: - CVE-2019-20388 Medium severity - CVE-2020-24977 Medium severity - CVE-2021-3517 Medium severity - CVE-2021-3518 Medium severity - CVE-2021-3537 Low severity - CVE-2021-3541 Low severity Note that two...