update to swift 5.7

.gitignore

@@ -4,6 +4,7 @@
 
 ## Misc
 *.DS_Store
+.swiftpm/
 
 ## User settings
 xcuserdata/

Package.swift

@@ -1,28 +1,18 @@
-// swift-tools-version:5.5
-// The swift-tools-version declares the minimum version of Swift required to build this package.
+// swift-tools-version:5.7
 
 import PackageDescription
 
 let package = Package(
     name: "Vault",
     products: [
-        // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(
             name: "Vault",
             targets: ["Vault"]),
     ],
-    dependencies: [
-        // Dependencies declare other packages that this package depends on.
-        // .package(url: /* package url */, from: "1.0.0"),
-    ],
+    dependencies: [],
     targets: [
-        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
-        // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "Vault",
             dependencies: []),
-        .testTarget(
-            name: "VaultTests",
-            dependencies: ["Vault"]),
     ]
 )