workflow: Add xcode 26.2

Author: mingchen

.github/workflows/build_and_test.yml

@@ -15,6 +15,9 @@ jobs:
     strategy:
       matrix:
         include:
+          - xcode: 26.2
+            destination: iPhone 17 Pro
+            os: 26.2
           - xcode: 16.2
             destination: iPhone 16 Pro
             os: 18.2