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

Author: renovate[bot]

.github/workflows/reuse.yml

@@ -17,4 +17,4 @@ jobs:
     steps:
       - uses: actions/checkout@v5
         if: false
-      - uses: fsfe/reuse-action@v5
+      - uses: fsfe/reuse-action@v6