Bump xterm-addon-search from 0.4.0-beta5 to 0.4.0 in /terminus-terminal

Bumps [xterm-addon-search](https://github.com/xtermjs/xterm.js) from 0.4.0-beta5 to 0.4.0.
- [Release notes](https://github.com/xtermjs/xterm.js/releases)
- [Commits](https://github.com/xtermjs/xterm.js/commits/0.4)

Signed-off-by: dependabot-preview[bot] <[email protected]>

terminus-terminal/yarn.lock

@@ -227,9 +227,9 @@ xterm-addon-ligatures@^0.2.1:
     font-ligatures "^1.3.2"
 
 xterm-addon-search@^0.4.0-beta5:
-  version "0.4.0-beta5"
-  resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.4.0-beta5.tgz#d7b7d35502cc5155d35175ab63e0465c1447eebd"
-  integrity sha512-aA+WmoM6U8H9V4ofKLaZaTBFoRLdxVujWA2mQxbzXBF8FLLCDSJOK8kEor4BSb8OtGr0Nlfs1Qy9O0HBmXSQWA==
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.4.0.tgz#a7beadb3caa7330eb31fb1f17d92de25537684a1"
+  integrity sha512-g07qb/Z4aSfrQ25e6Z6rz6KiExm2DvesQXkx+eA715VABBr5VM/9Jf0INoCiDSYy/nn7rpna+kXiGVJejIffKg==
 
 xterm-addon-webgl@^0.4.0-beta.15:
   version "0.4.0-beta.15"