Bump xterm-addon-search in /terminus-terminal

Bumps [xterm-addon-search](https://github.com/xtermjs/xterm.js) from 0.3.0-beta5 to 0.3.0-beta10.
- [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@^0.2.0:
     font-ligatures "^1.3.2"
 
 xterm-addon-search@^0.3.0-beta2:
-  version "0.3.0-beta5"
-  resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.3.0-beta5.tgz#fd53d33a77a0235018479c712be8c12f7c0d083a"
-  integrity sha512-3GkGc4hST35/4hzgnQPLLvQ29WH7MkZ0mUrBE/Vm1IQum7TnMvWPTkGemwM+wAl4tdBmynNccHJlFeQzaQtVUg==
+  version "0.3.0-beta9"
+  resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.3.0-beta9.tgz#6b0dff12926966e2c9d4933e1a88e9a0f7c69146"
+  integrity sha512-L5ifwmrQ31/CmY1OR/8Hg2tPIFJB/lga6p0x+AUaxR+MxeiyJ++aRC/uua9InwVprunKrbV6pVp2pL+xlaEJ1Q==
 
 xterm-addon-webgl@^0.3.0-beta2:
   version "0.3.0-beta6"