fix: replace actions/checkout with manual git clone to fix URL path issue

.gitea/workflows/homelab-main.yml

@@ -12,10 +12,9 @@ jobs:
     container: node:18-bullseye
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
-        with:
-          token: ${{ secrets.GITEATOKEN }}
-          fetch-depth: 0
+        run: |
+          set -euo pipefail
+          git clone --depth 0 https://${{ secrets.GITEATOKEN }}@lab2025.duckdns.org/git/jv/my-homelab-configs.git .
       - name: Validate repository
         run: |
           set -euo pipefail
@@ -29,10 +28,9 @@ jobs:
     if: ${{ gitea.ref == 'refs/heads/main' }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
-        with:
-          token: ${{ secrets.GITEATOKEN }}
-          fetch-depth: 0
+        run: |
+          set -euo pipefail
+          git clone --depth 0 https://${{ secrets.GITEATOKEN }}@lab2025.duckdns.org/git/jv/my-homelab-configs.git .
       - name: Block automatic deploy for external Gitea changes
         run: |
           set -euo pipefail