Fix: Checkout both deploy repo (for Dockerfile) and wiki repo

.gitea/workflows/wiki-build.yaml

@@ -11,6 +11,9 @@ jobs:
   build-and-push:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout Deploy repository (with Dockerfile)
+        uses: actions/checkout@v4
+
       - name: Checkout Wiki repository
         uses: actions/checkout@v4
         with: