ci: fix action repository access

.gitea/workflows/dependency-audit.yml

@@ -21,23 +21,13 @@ jobs:
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
         with:
           node-version: "22"
-      - name: Configure SSH for release dependencies
-        env:
-          GOVOPLAN_RELEASE_SSH_KEY_B64: ${{ secrets.GOVOPLAN_RELEASE_SSH_KEY_B64 }}
+      - name: Use anonymous HTTPS for public GovOPlaN repositories
         run: |
-          mkdir -p ~/.ssh
-          chmod 700 ~/.ssh
-          if [ -z "${GOVOPLAN_RELEASE_SSH_KEY_B64:-}" ]; then
-            echo "GOVOPLAN_RELEASE_SSH_KEY_B64 secret is required for git+ssh release dependencies."
-            exit 1
-          fi
-          printf '%s' "$GOVOPLAN_RELEASE_SSH_KEY_B64" | base64 -d > ~/.ssh/id_ed25519
-          chmod 600 ~/.ssh/id_ed25519
-          echo 'git.add-ideas.de ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDe48IOof2fJS1dTbJtLWQnWnr+JorZXKIFdOAM9ct8G' > ~/.ssh/known_hosts
-          chmod 600 ~/.ssh/known_hosts
+          git config --global --add url."https://git.add-ideas.de/add-ideas/govoplan".insteadOf "git@git.add-ideas.de:add-ideas/govoplan"
+          git config --global --add url."https://git.add-ideas.de/add-ideas/govoplan".insteadOf "ssh://git@git.add-ideas.de/add-ideas/govoplan"
       - name: Bootstrap GovOPlaN repositories
         working-directory: govoplan
-        run: python tools/repo/bootstrap-repositories.py --parent ..
+        run: python tools/repo/bootstrap-repositories.py --parent .. --transport public-https --exclude-repo addideas-govoplan-website
       - name: Install backend dev audit dependencies
         working-directory: govoplan
         run: |