SK-2589 update xcode-vesion in workflow

Author: skyflow-bharti

.github/workflows/pr.yml

@@ -36,15 +36,15 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Select Xcode 16
-        run: sudo xcode-select --switch /Applications/Xcode_16.1.app/Contents/Developer
+        run: sudo xcode-select --switch /Applications/Xcode_16.4.app/Contents/Developer
 
       - name: Prepare iOS 17 Simulator
         run: sudo mkdir -p /Library/Developer/CoreSimulator/Profiles/Runtimes
-             sudo ln -s /Applications/Xcode_16.1.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime /Library/Developer/CoreSimulator/Profiles/Runtimes/iOS\ 18.1.0.simruntime
+             sudo ln -s /Applications/Xcode_16.4.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime /Library/Developer/CoreSimulator/Profiles/Runtimes/iOS\ 18.6.0.simruntime
              xcrun simctl list runtimes
 
       - name: Build and Test
-        run: xcodebuild clean -workspace .swiftpm/xcode/package.xcworkspace -scheme Skyflow -enableCodeCoverage YES -destination "platform=iOS Simulator,OS=18.1.0,name=iPhone 16" VAULT_URL="${{ secrets.VAULT_URL }}" TEST_SKYFLOW_ID1="${{ secrets.TEST_SKYFLOW_ID1 }}" TEST_SKYFLOW_ID2="${{ secrets.TEST_SKYFLOW_ID2 }}" TEST_SKYFLOW_ID3="${{ secrets.TEST_SKYFLOW_ID3 }}" TEST_SKYFLOW_ID4="${{ secrets.TEST_SKYFLOW_ID4 }}" VAULT_ID="${{ secrets.VAULT_ID }}" test        
+        run: xcodebuild clean -workspace .swiftpm/xcode/package.xcworkspace -scheme Skyflow -enableCodeCoverage YES -destination "platform=iOS Simulator,OS=18.6.0,name=iPhone 16" VAULT_URL="${{ secrets.VAULT_URL }}" TEST_SKYFLOW_ID1="${{ secrets.TEST_SKYFLOW_ID1 }}" TEST_SKYFLOW_ID2="${{ secrets.TEST_SKYFLOW_ID2 }}" TEST_SKYFLOW_ID3="${{ secrets.TEST_SKYFLOW_ID3 }}" TEST_SKYFLOW_ID4="${{ secrets.TEST_SKYFLOW_ID4 }}" VAULT_ID="${{ secrets.VAULT_ID }}" test        
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v4