Update Cache to 2.0.0

Author: 0xLeif

Package.resolved

@@ -20,7 +20,7 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
-        .package(url: "https://github.com/0xLeif/Cache", from: "1.0.0")
+        .package(url: "https://github.com/0xLeif/Cache", from: "2.0.0")
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.