Mastodon nginx: fix streaming API location

installation/mastodon.conf

@@ -140,7 +140,7 @@ server {
   }
 
   # Mastodon's Node.js streaming server.
-  location /api/v1/streaming {
+  location ^~ /api/v1/streaming {
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;