chore(deps): update fsfe/reuse-action action to v6

Author: renovate[bot]

.github/workflows/reuse.yml

@@ -11,4 +11,4 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: REUSE Compliance Check
-        uses: fsfe/reuse-action@v4
+        uses: fsfe/reuse-action@v6