def METHOD_NAME(page: int = 1) -> List[Dict]:
    """Fetch a page of pull requests."""
    params = {
        "base": "main",
        "state": "closed",
        "page": page,
        "per_page": 50,
        "sort": "updated",
        "direction": "desc",
    }
    r = httpx.get(
        f"{GITHUB_REPOS}/{OWNER}/{REPO}/pulls",
        headers=HEADERS,
        params=params,
    )
    return [pr for pr in r.json() if pr["merged_at"]]