Bump xterm-addon-search in /terminus-terminal

Bumps [xterm-addon-search](https://github.com/xtermjs/xterm.js) from 0.7.0-beta.1 to 0.7.0-beta.2.
- [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

@@ -238,9 +238,9 @@ xterm-addon-ligatures@^0.2.1:
     font-ligatures "^1.3.2"
 
 xterm-addon-search@^0.7.0-beta.1:
-  version "0.7.0-beta.1"
-  resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.7.0-beta.1.tgz#9178c14ae13062cc42a620e02ecbf511940ddc32"
-  integrity sha512-D/CnYl6s3bGTdqvB+AFO5DbPQiM+loZ2rQas1LVWCk0qkbu5aef4rkK0OpIGQJUrGh9Y2mnrZk7p4SDeTSurzA==
+  version "0.7.0-beta.2"
+  resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.7.0-beta.2.tgz#384bda136c707f97a77eefc76cc7d9e572ce0719"
+  integrity sha512-A9fyiBBvG6ZNIwSJ03+sRCv9y20/uzd1wjCoaYUqp9fu3YGiHaGwyo9rAfm2M/fQM5vBmyJk4Qw/lwVq7TtlAw==
 
 xterm-addon-serialize@^0.3.0-beta.3:
   version "0.3.0-beta.4"