Fix fedora39

Author: cmcgee1024

Sources/SwiftlyCore/HTTPClient.swift

@@ -219,7 +219,7 @@ extension Components.Schemas.Platform {
         case "Debian 12":
             PlatformDefinition(name: "debian12", nameFull: "debian12", namePretty: "Debian GNU/Linux 12")
         case "Fedora 39":
-            PlatformDefinition(name: "fedora39", nameFull: "fedora39", namePretty: "Fedora 39")
+            PlatformDefinition(name: "fedora39", nameFull: "fedora39", namePretty: "Fedora Linux 39")
         default:
             nil
         }

Tests/SwiftlyTests/SwiftlyTests.swift

@@ -557,7 +557,7 @@ public class MockToolchainDownloader: HTTPRequestExecutor {
             "Ubuntu 24.04"
         case PlatformDefinition(name: "debian12", nameFull: "debian12", namePretty: "Debian GNU/Linux 12"):
             "Debian 12"
-        case PlatformDefinition(name: "fedora39", nameFull: "fedora39", namePretty: "Fedora 39"):
+        case PlatformDefinition(name: "fedora39", nameFull: "fedora39", namePretty: "Fedora Linux 39"):
             "Fedora 39"
         case PlatformDefinition.macOS:
             "Xcode" // NOTE: this is not actually a platform that gets added in the swift.org API for macos/xcode