fix: Setup SSH before checkout for submodule clone

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -12,15 +12,16 @@ jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: true
       - name: Setup SSH
         run: |
           mkdir -p ~/.ssh && chmod 700 ~/.ssh
           echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
           chmod 600 ~/.ssh/id_ed25519
+          ssh-keyscan -p 2222 gitea-ssh.agiliton.internal >> ~/.ssh/known_hosts 2>/dev/null || true
           ssh-keyscan -H ${{ env.TARGET_VM }} >> ~/.ssh/known_hosts 2>/dev/null || true
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
       - name: Login & Build & Push
         run: |
           echo "${{ secrets.REGISTRY_TOKEN }}" | docker login ${{ env.REGISTRY }} -u christian --password-stdin