Add query for using token when not cancellable

.github/codeql/queries/progress-not-cancellable.ql

@@ -0,0 +1,15 @@
+/**
+ * @name Using token for non-cancellable progress bar
+ * @kind problem
+ * @problem.severity warning
+ * @id vscode-codeql/progress-not-cancellable
+ * @description If we call `withProgress` with `cancellable: false` then the
+ * token that is given to us should be ignored because it won't ever be cancelled.
+ */
+
+import javascript
+import ProgressBar
+
+from ProgressBar t
+where not t.isCancellable() and t.usesToken()
+select t, "The token should not be used when the progress bar is not cancelable"