fix: Update Xcode setup to use latest stable version and revert Swift tools version to 6.0

Author: jsonify

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
     - name: 🔍 Setup Xcode
       uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '16.2'
+        xcode-version: latest-stable
 
     - name: 📋 Environment Info
       run: |
@@ -111,7 +111,7 @@ jobs:
     - name: 🔍 Setup Xcode
       uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '16.2'
+        xcode-version: latest-stable
 
     - name: 🧹 Install SwiftLint
       run: |

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.1
+// swift-tools-version: 6.0
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription