chore(dependencies): bump Saxon-HE from 9.9.1-8 to 10.9

[jkowalleck]

according to the Saxonica, the authors of Saxon HE, the v9 is no longer maintained. so lets upgrade.

[...] current actively maintained versions of Saxon-HE: 10, 11, and 12.

tried to upgrade to v12 or v11 without success. so i chose the latest successful version: v10.9