Release 6.31.0

• feat: Add basic support for Marko 6 and 5 (#1914) (c6b1516) - thanks @caseycarroll!
• Use Array.from in Marko compiler (5aadf47)
• Update release-it and fix release script flags (6fa9c26)
• Downgrade @types/vscode to match extension engines range (6d8e9bf)