ci: update reuse.yml workflow from template

Signed-off-by: Nextcloud bot <bot@nextcloud.com>

Author: nextcloud-bot

.github/workflows/reuse.yml

@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   reuse-compliance-check:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-low
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2