Fix AdminBin: add shebang and __PACKAGE__->run()

cPanel's adminbin framework requires the module to be directly
executable with a shebang line, and Script::Call modules need
__PACKAGE__->run() to bootstrap.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

cpanel/admin/Gniza/Restore

@@ -1,3 +1,4 @@
+#!/usr/local/cpanel/3rdparty/bin/perl
 package Cpanel::AdminBin::Script::Call::Gniza::Restore;
 
 use strict;
@@ -6,6 +7,8 @@ use parent 'Cpanel::AdminBin::Script::Call';
 use IPC::Open3;
 use Symbol 'gensym';
 
+__PACKAGE__->run() if !caller;
+
 my $GNIZA_BIN    = '/usr/local/bin/gniza';
 my $MAIN_CONFIG  = '/etc/gniza/gniza.conf';
 my $REMOTES_DIR  = '/etc/gniza/remotes.d';