Merge branch 'dependabot/github_actions/fsfe/reuse-action-6' of github.com:PowerGridModel/power-grid-model-ds into chore/update-actions

Author: vincentkoppen

.github/workflows/reuse-compliance.yml

@@ -20,4 +20,4 @@ jobs:
     - name: checkout
       uses: actions/checkout@v5
     - name: REUSE Compliance Check
-      uses: fsfe/reuse-action@v5
+      uses: fsfe/reuse-action@v6