fix: add git to listener service PATH for revision validation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cmd/homelab-deploy/main.go

@@ -16,7 +16,7 @@ import (
 	"github.com/urfave/cli/v3"
 )
 
-const version = "0.1.2"
+const version = "0.1.3"
 
 func main() {
 	app := &cli.Command{

nixos/module.nix

@@ -105,6 +105,8 @@ in
 
       environment = cfg.environment;
 
+      path = [ pkgs.git ];
+
       serviceConfig = {
         Type = "simple";
         ExecStart = "${cfg.package}/bin/homelab-deploy listener ${args}";