fix: Fixes installing let's encrypt on clean system.

When testing on 24.04 fails to create let's encrypt successfully because the webserver is not installed completely.

debian/control

 
 Package: jitsi-meet-web-config
 Architecture: all
-Depends: openssl, nginx | nginx-full | nginx-extras | openresty | apache2, curl
+Pre-Depends: nginx | nginx-full | nginx-extras | openresty | apache2
+Depends: openssl, curl
 Description: Configuration for web serving of Jitsi Meet
  Jitsi Meet is a WebRTC JavaScript application that uses Jitsi
  Videobridge to provide high quality, scalable video conferences.