Update swift-utils to 2.2.2

Author: fwcd

Diff for: Package.resolved

@@ -301,8 +301,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/fwcd/swift-utils.git",
       "state" : {
-        "revision" : "25fce8cd09afec6a37d458912f9e0461e270775b",
-        "version" : "2.2.1"
+        "revision" : "6b0fefcc89511fd5e5d6c0afa111a3ca0b61cfae",
+        "version" : "2.2.2"
       }
     },
     {

Diff for: Package.swift

@@ -18,7 +18,7 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-argument-parser.git", from: "0.3.2"),
         .package(url: "https://github.com/fwcd/swift-qrcode-generator.git", from: "1.0.0"),
         .package(url: "https://github.com/fwcd/swift-prolog.git", from: "0.1.0"),
-        .package(url: "https://github.com/fwcd/swift-utils.git", from: "2.2.1"),
+        .package(url: "https://github.com/fwcd/swift-utils.git", from: "2.2.2"),
         .package(url: "https://github.com/fwcd/swift-graphics.git", from: "2.1.0"),
         .package(url: "https://github.com/fwcd/swift-gif.git", from: "2.1.0"),
         .package(url: "https://github.com/fwcd/swift-mensa.git", from: "0.1.10"),