Fix for linux instead of macos-13

Author: wei18

Scripts/GeneratorConfigBuilder.swift

@@ -39,9 +39,9 @@ struct GeneratorConfigBuilder {
 
     func write() throws {
         let fileURL = URL(fileURLWithPath: FileManager.default.currentDirectoryPath)
-            .appending(path: "Sources")
-            .appending(path: tagString)
-            .appending(path: "openapi-generator-config.yml")
+            .appendingPathComponent("Sources")
+            .appendingPathComponent(tagString)
+            .appendingPathComponent("openapi-generator-config.yml")
         let fileContent = getTemplate()
         guard let data = fileContent.data(using: .utf8) else {
             throw ErrorMessage(message: "Variable data not found.")

Scripts/PackageBuilder.swift

@@ -47,7 +47,7 @@ struct SourcesBuilder {
 
     init() throws {
         let directoryURL = URL(fileURLWithPath: FileManager.default.currentDirectoryPath)
-            .appending(path: "Sources")
+            .appendingPathComponent("Sources")
         let resourceKeys = Set<URLResourceKey>([.nameKey, .isDirectoryKey])
 
         guard let directoryEnumerator = FileManager.default.enumerator(
@@ -163,7 +163,7 @@ struct PackageBuilder {
     }
     func write() throws {
         let fileURL = URL(fileURLWithPath: FileManager.default.currentDirectoryPath)
-            .appending(path: version.fileName)
+            .appendingPathComponent(version.fileName)
         let fileContent = try getTemplate()
         guard let data = fileContent.data(using: .utf8) else {
             throw ErrorMessage(message: "Variable data not found.")

Scripts/SPIManifestBuilder.swift

@@ -47,7 +47,7 @@ struct SourcesBuilder {
 
     init() throws {
         let directoryURL = URL(fileURLWithPath: FileManager.default.currentDirectoryPath)
-            .appending(path: "Sources")
+            .appendingPathComponent("Sources")
         let resourceKeys = Set<URLResourceKey>([.nameKey, .isDirectoryKey])
 
         guard let directoryEnumerator = FileManager.default.enumerator(
@@ -92,7 +92,7 @@ struct SPIManifestBuilder {
 
     func write() throws {
         let fileURL = URL(fileURLWithPath: FileManager.default.currentDirectoryPath)
-            .appending(path: ".spi.yml")
+            .appendingPathComponent(".spi.yml")
         let fileContent = try getTemplate()
         guard let data = fileContent.data(using: .utf8) else {
             throw ErrorMessage(message: "Variable data not found.")