DEVX-118: fix: embed token in wiki clone URL for push auth

The wiki Git push failed with "could not read Username" because the
clone URL didn't include credentials. Use token@host URL format so
both clone and push authenticate properly.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

src/devx/ci/sync_wiki.py

@@ -32,6 +32,7 @@ import re
 import subprocess  # nosec B404
 import tempfile
 from pathlib import Path
+from urllib.parse import urlparse
 
 import click
 from dotenv import load_dotenv  # pyright: ignore[reportMissingImports,reportUnknownVariableType]
@@ -102,7 +103,10 @@ def get_wiki_clone_url(owner: str, repo: str, token: str) -> str:
     # Gitea wiki repos are at {clone_url}.wiki.git
     # Extract base URL from API URL
     base = GITEA_API_URL.rsplit("/api/v1", 1)[0]
-    return f"{base}/{owner}/{repo}.wiki.git"
+    # Embed token in URL for both clone and push auth
+    # Format: https://token@host/owner/repo.wiki.git
+    parsed = urlparse(base)
+    return f"{parsed.scheme}://{token}@{parsed.hostname}/{owner}/{repo}.wiki.git"
 
 
 def clone_wiki(wiki_url: str, dest: Path) -> bool: