Add swift 5.8

Author: sidepelican

dist/index.js

@@ -540,6 +540,7 @@ const semver = __importStar(__nccwpck_require__(1383));
 const core = __importStar(__nccwpck_require__(2186));
 const os_1 = __nccwpck_require__(1855);
 const VERSIONS_LIST = [
+    ["5.8", [os_1.OS.MacOS, os_1.OS.Ubuntu]],
     ["5.7.3", [os_1.OS.MacOS, os_1.OS.Ubuntu]],
     ["5.7.2", [os_1.OS.MacOS, os_1.OS.Ubuntu]],
     ["5.7.1", [os_1.OS.MacOS, os_1.OS.Ubuntu]],

src/swift-versions.ts

@@ -3,6 +3,7 @@ import * as core from "@actions/core";
 import { System, OS } from "./os";
 
 const VERSIONS_LIST: [string, OS[]][] = [
+  ["5.8", [OS.MacOS, OS.Ubuntu]],
   ["5.7.3", [OS.MacOS, OS.Ubuntu]],
   ["5.7.2", [OS.MacOS, OS.Ubuntu]],
   ["5.7.1", [OS.MacOS, OS.Ubuntu]],