Update web.socketed.template.yml

changed spdy to http2

Author: James Barlow

templates/web.socketed.template.yml

@@ -19,7 +19,7 @@ run:
        set_real_ip_from unix:;
   - replace:
      filename: "/etc/nginx/conf.d/discourse.conf"
-     from: /listen 443 ssl spdy;/
+     from: /listen 443 ssl http2;/
      to: |
-       listen unix:/shared/nginx.https.sock ssl spdy;
+       listen unix:/shared/nginx.https.sock ssl http2;
        set_real_ip_from unix:;