Switch to swift tools 5.7

Package.resolved

 {
-  "object": {
   "pins" : [
     {
-        "package": "PathKit",
-        "repositoryURL": "https://github.com/kylef/PathKit.git",
+      "identity" : "pathkit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/kylef/PathKit.git",
       "state" : {
-          "branch": null,
         "revision" : "3bfd2737b700b9a36565a8c94f4ad2b050a5e574",
         "version" : "1.0.1"
       }
     },
     {
-        "package": "Spectre",
-        "repositoryURL": "https://github.com/kylef/Spectre.git",
+      "identity" : "spectre",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/kylef/Spectre.git",
       "state" : {
-          "branch": null,
         "revision" : "26cc5e9ae0947092c7139ef7ba612e34646086c7",
         "version" : "0.10.1"
       }
     },
     {
-        "package": "Stencil",
-        "repositoryURL": "https://github.com/kylef/Stencil.git",
+      "identity" : "stencil",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/kylef/Stencil.git",
       "state" : {
-          "branch": null,
-          "revision": "973e190edf5d09274e4a6bc2e636c86899ed84c3",
-          "version": "0.14.1"
+        "revision" : "4f222ac85d673f35df29962fc4c36ccfdaf9da5b",
+        "version" : "0.15.1"
       }
     },
     {
-        "package": "swift-argument-parser",
-        "repositoryURL": "https://github.com/apple/swift-argument-parser.git",
+      "identity" : "swift-argument-parser",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-argument-parser.git",
       "state" : {
-          "branch": null,
-          "revision": "d2930e8fcf9c33162b9fcc1d522bc975e2d4179b",
-          "version": "1.0.1"
+        "revision" : "9f39744e025c7d377987f30b03770805dcb0bcd1",
+        "version" : "1.1.4"
       }
     },
     {
-        "package": "SwiftSyntax",
-        "repositoryURL": "https://github.com/apple/swift-syntax.git",
+      "identity" : "swift-syntax",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-syntax.git",
       "state" : {
-          "branch": null,
         "revision" : "04d4497be6b88e524a71778d828790e9589ae1c4",
         "version" : "0.50700.0"
       }
     }
-    ]
-  },
-  "version": 1
+  ],
+  "version" : 2
 }

Package.swift

-// swift-tools-version:5.2
+// swift-tools-version:5.7
 import PackageDescription
 
 let package = Package(
@@ -8,10 +8,10 @@ let package = Package(
         .executable(name: "swiftmetamodelgenerator", targets: ["swiftmetamodelgenerator"])
     ],
     dependencies: [
-        .package(name: "swift-argument-parser", url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "1.0.1")),
-        .package(url: "https://github.com/kylef/PathKit.git", .upToNextMinor(from: "1.0.1")),
-        .package(name: "SwiftSyntax", url: "https://github.com/apple/swift-syntax.git", .upToNextMinor(from: "0.50700.0")),
-        .package(url: "https://github.com/kylef/Stencil.git", .upToNextMinor(from: "0.14.1")),
+        .package(url: "https://github.com/apple/swift-argument-parser.git", exact: "1.1.4"),
+        .package(url: "https://github.com/kylef/PathKit.git", exact: "1.0.1"),
+        .package(url: "https://github.com/apple/swift-syntax.git", exact: "0.50700.0"),
+        .package(url: "https://github.com/kylef/Stencil.git", exact: "0.15.1"),
     ],
     targets: [
         .target(
@@ -19,8 +19,8 @@ let package = Package(
             dependencies: [
                 .product(name: "ArgumentParser", package: "swift-argument-parser"),
                 "PathKit",
-                .product(name: "SwiftSyntax", package: "SwiftSyntax"),
-                .product(name: "SwiftSyntaxParser", package: "SwiftSyntax"),
+                .product(name: "SwiftSyntax", package: "swift-syntax"),
+               .product(name: "SwiftSyntaxParser", package: "swift-syntax"),
                 "Stencil"
             ],
             path: "SwiftMetaModelGenerator"