Update xterm.js to 3.8.0

FluentTerminal.Client/package-lock.json

@@ -4305,9 +4305,9 @@
       "dev": true
     },
     "xterm": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/xterm/-/xterm-3.6.0.tgz",
-      "integrity": "sha512-D/7/fm7oGzZksLFQdpn1TD63V+T4Ad3LZR2JfZ1QrPZ1yDjKedIKWAZXgzeHQw8S/5HYD08GdkLnjeLm/e6Yog=="
+      "version": "3.8.0",
+      "resolved": "https://registry.npmjs.org/xterm/-/xterm-3.8.0.tgz",
+      "integrity": "sha512-rS3HLryuMWbLsv98+jVVSUXCxmoyXPwqwJNC0ad0VSMdXgl65LefPztQVwfurkaF7kM7ZSgM8eJjnJ9kkdoR1w=="
     },
     "y18n": {
       "version": "4.0.0",

FluentTerminal.Client/package.json

@@ -14,6 +14,6 @@
     "webpack-cli": "^3.1.0"
   },
   "dependencies": {
-    "xterm": "^3.6.0"
+    "xterm": "^3.8.0"
   }
 }