Bump xterm-addon-search in /terminus-terminal

Bumps [xterm-addon-search](https://github.com/xtermjs/xterm.js) from 0.2.0-beta5 to 0.2.0-beta6.
- [Release notes](https://github.com/xtermjs/xterm.js/releases)
- [Commits](https://github.com/xtermjs/xterm.js/commits)
Signed-off-by: Ndependabot-preview[bot] <support@dependabot.com>

terminus-terminal/yarn.lock

@@ -227,9 +227,9 @@ xterm-addon-ligatures@^0.1.0-beta-2:
     font-ligatures "^1.3.1"
 
 xterm-addon-search@^0.2.0-beta1:
-  version "0.2.0-beta5"
-  resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.2.0-beta5.tgz#258d7cb1511d9060cd4520f0f82e408000fd4f53"
-  integrity sha512-Tg+d8scch0rYOVmzBbX35Y1GXtq+eu/YlzbXznmTo/yD83j3BQlXOhgECu/Yv8EX5JwFmzbfVRWC+JWnfigwGg==
+  version "0.2.0-beta6"
+  resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.2.0-beta6.tgz#acd7da66015acdef5942031f7e812be47e3ca079"
+  integrity sha512-dKP9MW+X2LUco+MgT6cL7ytCtbtsaXFdDjZbJQoBEkU7Z8kxgJft8saKhGYjg+4nrFkSqocqGIaLEBMaZhjoFw==
 
 xterm-addon-webgl@^0.2.0-beta1:
   version "0.2.0-beta6"