Update engine version to match LSP client (#24079)

This is a cherry pick from main of a change that is needed to match the
LSP client version used in pylance

Co-authored-by: Rich Chiodo <rchiodo@users.noreply.github.com>

Author: karthiknadig

package-lock.json

@@ -45,7 +45,7 @@
         "theme": "dark"
     },
     "engines": {
-        "vscode": "^1.89.0-20240415"
+        "vscode": "^1.91.0"
     },
     "enableTelemetry": false,
     "keywords": [