fix: Use XMLCoder version 0.13.0 (#295)

Author: wooj2

Packages/Package.swift

@@ -16,7 +16,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-log.git", from: "1.0.0"),
-        .package(url: "https://github.com/MaxDesiatov/XMLCoder.git", from: "0.12.0")
+        .package(url: "https://github.com/MaxDesiatov/XMLCoder.git", from: "0.13.0")
     ],
     targets: [
         .target(