Update Lumino packages to latest versions (v2.x)

Co-authored-by: GordonSmith <966863+GordonSmith@users.noreply.github.com>

Author: Copilot

package-lock.json

@@ -41,10 +41,10 @@
     },
     "devDependencies": {
         "@hpcc-js/esbuild-plugins": "^1.4.8",
-        "@lumino/algorithm": "1.9.2",
-        "@lumino/commands": "1.21.1",
-        "@lumino/messaging": "1.10.3",
-        "@lumino/widgets": "1.37.2"
+        "@lumino/algorithm": "2.0.3",
+        "@lumino/commands": "2.3.2",
+        "@lumino/messaging": "2.0.3",
+        "@lumino/widgets": "2.7.1"
     },
     "repository": {
         "type": "git",