fix(lib): rename mkDeploy so it is scoped

Change-Id: I7f908ff6428cd39a99452dd6c22956524c115c83
Reviewed-on: https://git.clicks.codes/c/Infra/NixFiles/+/726
Reviewed-by: Samuel Shuert <coded@clicks.codes>
Tested-by: Samuel Shuert <coded@clicks.codes>
diff --git a/flake.nix b/flake.nix
index 25086f4..55ec830 100644
--- a/flake.nix
+++ b/flake.nix
@@ -52,7 +52,7 @@
         inputs.sops-nix.nixosModules.sops
       ];
 
-      deploy = lib.mkDeploy {
+      deploy = lib.deploy.mkDeploy {
         inherit (inputs) self;
         overrides = {
           a1d1.hostname = "d1.a1.clicks.domains";