CI: temporarily switch restricted paths guard to pull_request

Exercise this branch's workflow definition in a PR before switching back to pull_request_target for the real rollout.

Made-with: Cursor

Author: rwgk

.github/workflows/restricted-paths-guard.yml

@@ -5,8 +5,9 @@ name: "CI: Restricted Paths Guard"
 
 on:
   # Run on drafts too so maintainers get early awareness on WIP PRs.
-  # Label updates on fork PRs require pull_request_target permissions.
-  pull_request_target:
+  # Temporary testing mode: use pull_request so this branch's workflow
+  # definition can be exercised before switching back to pull_request_target.
+  pull_request:
     types:
       - opened
       - synchronize

cuda_bindings/pyproject.toml

@@ -1,5 +1,6 @@
 # SPDX-FileCopyrightText: Copyright (c) 2023-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+# XXX DUMMY CHANGE XXX
 [build-system]
 requires = [
     "setuptools>=80.0.0",