use hackathon check_kernel_commits

Author: bmastbergen

.github/workflows/upstream-commit-check.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Download check_kernel_commits.py
         run: |
           curl -sL \
-            https://raw.githubusercontent.com/ctrliq/kernel-src-tree-tools/mainline/check_kernel_commits.py \
+            https://raw.githubusercontent.com/ctrliq/kernel-src-tree-tools/hackathon-cve-check/check_kernel_commits.py \
             -o check_kernel_commits.py
           chmod +x check_kernel_commits.py