chore: update Stencil to 0.13.1

Author: kylef

Package.resolved

@@ -30,7 +30,7 @@
       },
       {
         "package": "Stencil",
-        "repositoryURL": "https://github.com/kylef/Stencil.git",
+        "repositoryURL": "https://github.com/stencilproject/Stencil.git",
         "state": {
           "branch": null,
           "revision": "0e9a78d6584e3812cd9c09494d5c7b483e8f533c",

Package.swift

@@ -8,7 +8,7 @@ let package = Package(
     .executable(name: "querykit", targets: ["querykit-cli"]),
   ],
   dependencies: [
-    .package(url: "https://github.com/kylef/Stencil.git", from: "0.9.0"),
+    .package(url: "https://github.com/stencilproject/Stencil.git", from: "0.13.1"),
     .package(url: "https://github.com/kylef/Commander.git", from: "0.9.1"),
   ],
   targets: [