metrics 2.0 (#88)

Author: tanner0101

Package.swift

@@ -13,7 +13,7 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-crypto.git", from: "1.0.0"),
         .package(url: "https://github.com/apple/swift-nio.git", from: "2.0.0"),
         .package(url: "https://github.com/apple/swift-nio-ssl.git", from: "2.0.0"),
-        .package(url: "https://github.com/apple/swift-metrics.git", from: "1.0.0"),
+        .package(url: "https://github.com/apple/swift-metrics.git", from: "2.0.0"),
         .package(url: "https://github.com/apple/swift-log.git", from: "1.0.0"),
     ],
     targets: [