Bump xterm-addon-ligatures from 0.4.0 to 0.5.0 in /terminus-terminal

Bumps [xterm-addon-ligatures](https://github.com/xtermjs/xterm.js) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/xtermjs/xterm.js/releases)
- [Commits](https://github.com/xtermjs/xterm.js/compare/0.4...0.5)

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

terminus-terminal/package.json

@@ -31,7 +31,7 @@
     "slugify": "^1.4.0",
     "xterm": "^4.9.0-beta.7",
     "xterm-addon-fit": "^0.5.0",
-    "xterm-addon-ligatures": "^0.4.0",
+    "xterm-addon-ligatures": "^0.5.0",
     "xterm-addon-search": "^0.8.0",
     "xterm-addon-serialize": "^0.5.0",
     "xterm-addon-unicode11": "^0.2.0",