chore: update macos runner and xcode version

Author: jackpooleyml

.github/workflows/ci-swift.yml

@@ -17,7 +17,7 @@ on:
 jobs:
   swift-sdk:
     name: Swift Package - latest
-    runs-on: macos-15
+    runs-on: macos-26
     strategy:
       matrix:
         config:
@@ -79,11 +79,11 @@ jobs:
         working-directory: packages/sdk-platforms/rust/zksync-sso
 
       - name: Select Xcode 16.3
-        run: sudo xcode-select -s /Applications/Xcode_16.3.app
+        run: sudo xcode-select -s /Applications/Xcode_26.app
 
       - name: Select Simulator
         run: |
-          UDID=$(xcrun simctl list devices | awk '/-- iOS 18.4 --/{flag=1; next} /--/{flag=0} flag' | grep "iPhone 16 Pro" | awk -F '[()]' '{print $2}' | head -1)
+          UDID=$(xcrun simctl list devices | awk '/-- iOS 18.6 --/{flag=1; next} /--/{flag=0} flag' | grep "iPhone 17 Pro" | awk -F '[()]' '{print $2}' | head -1)
           if [ -z "$UDID" ]; then
             echo "Simulator not found!" >&2
             exit 1