Fix CI/CD: use direct git clone with external URL

Runner was failing to connect to internal 'server:3000' hostname.
Now uses public https://gitea.thefetagroup.com URL directly.

.gitea/workflows/ci-cd.yaml

@@ -16,7 +16,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        run: |
+          git clone --depth 1 https://gitea.thefetagroup.com/bnair/CryptoTrading.git .
+          git fetch origin ${{ github.sha }} --depth 1
+          git checkout ${{ github.sha }}
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -55,14 +58,17 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/v')
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        run: |
+          git clone --depth 1 https://gitea.thefetagroup.com/bnair/CryptoTrading.git .
+          git fetch origin ${{ github.ref_name }} --depth 1
+          git checkout ${{ github.ref_name }}
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
       - name: Extract version from tag
         id: version
-        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+        run: echo "VERSION=${{ github.ref_name }}" >> $GITHUB_OUTPUT
 
       - name: Login to Gitea Container Registry
         uses: docker/login-action@v3