chore: bump xterm from 4.18.0 to 4.19.0 in /site (#2927)

Bumps [xterm](https://github.com/xtermjs/xterm.js) from 4.18.0 to 4.19.0.
- [Release notes](https://github.com/xtermjs/xterm.js/releases)
- [Commits](https://github.com/xtermjs/xterm.js/compare/4.18.0...4.19.0)

---
updated-dependencies:
- dependency-name: xterm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

site/package.json

@@ -53,7 +53,7 @@
     "tzdata": "1.0.30",
     "uuid": "8.3.2",
     "xstate": "4.32.1",
-    "xterm": "4.18.0",
+    "xterm": "4.19.0",
     "xterm-addon-fit": "0.5.0",
     "xterm-addon-web-links": "0.6.0",
     "xterm-addon-webgl": "0.11.4",

site/yarn.lock

@@ -14586,10 +14586,10 @@ xterm-for-react@1.0.4:
     prop-types "^15.7.2"
     xterm "^4.5.0"
 
-xterm@4.18.0, xterm@^4.5.0:
-  version "4.18.0"
-  resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.18.0.tgz#a1f6ab2c330c3918fb094ae5f4c2562987398ea1"
-  integrity sha512-JQoc1S0dti6SQfI0bK1AZvGnAxH4MVw45ZPFSO6FHTInAiau3Ix77fSxNx3mX4eh9OL4AYa8+4C8f5UvnSfppQ==
+xterm@4.19.0, xterm@^4.5.0:
+  version "4.19.0"
+  resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0.tgz#c0f9d09cd61de1d658f43ca75f992197add9ef6d"
+  integrity sha512-c3Cp4eOVsYY5Q839dR5IejghRPpxciGmLWWaP9g+ppfMeBChMeLa1DCA+pmX/jyDZ+zxFOmlJL/82qVdayVoGQ==
 
 y18n@^4.0.0:
   version "4.0.3"