Update talos (#1115)

* Updates to talos

roles/netbootxyz/defaults/main.yml

@@ -464,7 +464,7 @@ releases:
   talos:
     enabled: true
     menu: linux
-    mirror: https://github.com/talos-systems/talos/releases
+    mirror: https://github.com/siderolabs/talos/releases
     name: Talos
     platforms:
     - key: metal

roles/netbootxyz/templates/menu/talos.ipxe.j2

@@ -1,8 +1,8 @@
 #!ipxe
 
 # Talos
-# https://github.com/talos-systems/talos/releases
-# https://www.talos.dev/docs/v0.5/en/guides/metal/matchbox
+# https://github.com/siderolabs/talos/releases
+# https://www.talos.dev/v1.0/talos-guides/install/bare-metal-platforms/matchbox/
 
 goto ${menu} ||