Upgrade to Fedora 30

src/fedora.ipxe

@@ -12,8 +12,8 @@ clear ova
 set os Fedora
 menu Fedora - ${arch} - Image Sig Checks: [${img_sigs_enabled}]
 item --gap Latest Releases
+item 30 ${space} ${os} 30
 item 29 ${space} ${os} 29
-item 28 ${space} ${os} 28
 isset ${osversion} || choose osversion || goto linux_menu
 set ova ${os} ${osversion}
 goto product_sku