feat: new improvement for the GitHub API Authentication Fix (#1537)

* Add environment variables section to ConnectionsTab and fallback token to git-info

* Add remaining code from original branch

* Import Repo Fix

* refactor the UI

* add a rate limit counter

* Update GithubConnection.tsx

* Update NetlifyConnection.tsx

* fix: ui style

* Sync with upstream and preserve GitHub connection and DataTab fixes

* fix disconnect buttons

* revert commits

* Update api.git-proxy.$.ts

* Update api.git-proxy.$.ts

app/routes/api.git-proxy.$.ts

@@ -117,6 +117,7 @@ async function handleProxyRequest(request: Request, path: string | undefined) {
     // Add body for non-GET/HEAD requests
     if (!['GET', 'HEAD'].includes(request.method)) {
       fetchOptions.body = request.body;
+      fetchOptions.duplex = 'half';
 
       /*
        * Note: duplex property is removed to ensure TypeScript compatibility