Use version 0.31.1 of the language server

Signed-off-by: David Thompson <davthomp@redhat.com>

Author: datho7561

package.json

@@ -22,7 +22,7 @@
     "SVG"
   ],
   "xmlServer": {
-    "version": "0.31.0"
+    "version": "0.31.1"
   },
   "binaryServerDownloadUrl": {
     "linux": "https://github.com/redhat-developer/vscode-xml/releases/download/latest/lemminx-linux.zip",