fix(debian) don't include package{-lock}.json files

debian/jitsi-meet-web.install

 interface_config.js		/usr/share/jitsi-meet/
 logging_config.js		/usr/share/jitsi-meet/
-*.json					/usr/share/jitsi-meet/
 *.html					/usr/share/jitsi-meet/
 *.ico					/usr/share/jitsi-meet/
 libs					/usr/share/jitsi-meet/