upgrade typescript to v5 -- part 1

Signed-off-by: Roman <ixrock@gmail.com>

packages/legacy-extension-example/package.json

@@ -38,9 +38,8 @@
   },
   "devDependencies": {
     "@k8slens/extensions": "^6.5.0-alpha.3",
-    "@types/node": "^16.18.16",
-    "typescript": "^4.9.5",
-    "webpack": "^5.76.1",
-    "webpack-cli": "^5.0.1"
+    "@k8slens/typescript": "^6.5.0-alpha.1",
+    "@k8slens/webpack": "^6.5.0-alpha.1",
+    "@types/node": "^16.18.16"
   }
 }