windows update, use explicit reboot policy (#1143)

config.example.toml

@@ -213,6 +213,10 @@
 # Manually select Windows updates
 # accept_all_updates = false
 
+# Controls whether to automatically reboot the computer when updates are
+# installed that request it. (default: "no", allowed values: "yes", "no", "ask")
+# updates_auto_reboot = "yes"
+
 # open_remotes_in_new_terminal = true
 
 # wsl_update_pre_release = true