Bump vscode-languageclient from 7.0.0-next.8 to 7.0.0-next.9 (#2927)

Bumps [vscode-languageclient](https://github.com/Microsoft/vscode-languageserver-node/tree/HEAD/client) from 7.0.0-next.8 to 7.0.0-next.9.
- [Release notes](https://github.com/Microsoft/vscode-languageserver-node/releases)
- [Commits](https://github.com/Microsoft/vscode-languageserver-node/commits/release/client/7.0.0-next.9/client)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -52,7 +52,7 @@
     "semver": "^7.3.2",
     "uuid": "^8.3.0",
     "vscode-extension-telemetry": "~0.1.6",
-    "vscode-languageclient": "^7.0.0-next.8",
+    "vscode-languageclient": "^7.0.0-next.9",
     "vscode-languageserver-protocol": "^3.16.0-next.7"
   },
   "devDependencies": {