chore: use macos-26 runner for ios integration test; ubuntu for smoke

Author: thymikee

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
 
   integration-smoke:
     name: Integration Smoke
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     timeout-minutes: 60
     continue-on-error: true
     steps:
@@ -103,7 +103,7 @@ jobs:
 
   integration-ios:
     name: Integration iOS
-    runs-on: macos-latest
+    runs-on: macos-26
     timeout-minutes: 80
     continue-on-error: true
     steps: