Bump slug from 1.1.0 to 2.0.0 in /terminus-terminal

Bumps [slug](https://github.com/Trott/node-slug) from 1.1.0 to 2.0.0.
- [Release notes](https://github.com/Trott/node-slug/releases)
- [Changelog](https://github.com/Trott/node-slug/blob/master/CHANGELOG)
- [Commits](https://github.com/Trott/node-slug/compare/v1.1.0...v2.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

terminus-terminal/package.json

@@ -25,7 +25,7 @@
     "mz": "^2.6.0",
     "ps-node": "^0.1.6",
     "runes": "^0.4.2",
-    "slug": "^1.1.0",
+    "slug": "^2.0.0",
     "uuid": "^3.3.2",
     "xterm": "4.3.0",
     "xterm-addon-fit": "^0.4.0-beta2",