Add requires auth to authn modules

Add requires auth to authn modules

lighttpd tries to load the modules itself,
but they are missing in filesystem:

$ lighttpd -f /etc/lighttpd/lighttpd.conf
2022-09-15 12:57:07: (plugin.c.202) dlopen() failed for: /usr/lib64/lighttpd/mod_auth.so /usr/lib64/lighttpd/mod_auth.so: cannot open shared object file: No such file or directory
2022-09-15 12:57:07: (server.c.1285) loading plugins finally failed