chore: update Commander to 0.9.1

Author: kylef

Package.swift

@@ -9,7 +9,7 @@ let package = Package(
   ],
   dependencies: [
     .package(url: "https://github.com/kylef/Stencil.git", from: "0.9.0"),
-    .package(url: "https://github.com/kylef/Commander.git", from: "0.6.0"),
+    .package(url: "https://github.com/kylef/Commander.git", from: "0.9.1"),
   ],
   targets: [
     .target(name: "querykit-cli", dependencies: ["Stencil", "Commander"]),

Sources/querykit-cli/main.swift

@@ -6,7 +6,7 @@ import Commander
 let version = "0.2.0"
 
 command(
-  Option("template", Path.defaultTemplatePath, description: "Path to a custom template file", validator: isReadable),
+  Option("template", default: Path.defaultTemplatePath, description: "Path to a custom template file", validator: isReadable),
   Argument<Path>("model", validator: isCoreDataModel),
   Argument<Path>("output", validator: isReadable)
 ) { template, model, output in