Add the Tailscale step back

Necessary because runner is no longer within the Tailscale environment.

.github/workflows/deploy-homelab.yml

@@ -14,6 +14,15 @@ jobs:
     - name: Check out repository
       uses: actions/checkout@v3
 
+    # See documentation: https://github.com/tailscale/github-action?tab=readme-ov-file
+    - name: Connect to Tailscale
+      uses: tailscale/github-action@v4
+      with:
+        oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
+        oauth-secret: ${{ secrets.TS_OAUTH_CLIENT_SECRET }}
+        tags: tag:ci
+
+
     - name: Set up SSH key
       run: |
         mkdir -p ~/.ssh