Temporarily set disclaimer in manifest as display_text for tests on the CI

manifest.json

@@ -22,7 +22,7 @@
       "install": [
           {
             "name": "disclaimer",
-            "type": "alert",
+            "type": "display_text",
             "style": "warning",
             "ask": {
                 "en": "Please note that this application only interfaces with **dedicated, public IP VPNs accepting inbound traffic**, preferably with an associated `.cube` (or `.ovpn/.conf`) configuration file. **Do not** expect that any VPN you randomly bought on the Internet can be used! Checkout the [list of known compatible providers](https://yunohost.org/providers/vpn) for more info.",