ci: Bump ios versions (#292)

Author: mykola-mokhnach

.github/workflows/functional-test.yml

@@ -21,14 +21,14 @@ jobs:
     strategy:
       matrix:
         include:
+        - xcodeVersion: '26.4'
+          iosVersion: '26.4'
+          deviceName: 'iPhone 17'
+          platform: macos-26
         - xcodeVersion: '16.4'
           iosVersion: '18.5'
           deviceName: 'iPhone 16'
           platform: macos-15
-        - xcodeVersion: '15.4'
-          iosVersion: '17.5'
-          deviceName: 'iPhone 15'
-          platform: macos-14
       fail-fast: false
 
     env: