Update iOS CD Github Actions

Author: luckyrat

.github/workflows/flutter_build.yml

@@ -74,7 +74,7 @@ jobs:
   BuildAndTestIos:
     name: Build ios prod
 
-    runs-on: macos-15
+    runs-on: macos-26
     permissions: write-all
 
     steps:
@@ -113,7 +113,7 @@ jobs:
       - name: Choose xcode version
         uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: '16.4'
+          xcode-version: '26.2'
 
       - name: Build iOS Flutter App
         run: flutter build ios --config-only --release --no-codesign --dart-define KEEVAULT_STAGE=prod --dart-define KEEVAULT_NAME_SUFFIX= --dart-define KEEVAULT_ID_SUFFIX= --dart-define IAP_APPLE_APP_STORE=yes

.github/workflows/flutter_release_ios.yml

@@ -9,7 +9,7 @@ jobs:
     if: ${{ !contains ( github.event.release.tag_name, '_' ) || endsWith( github.event.release.tag_name, '_ios' ) || endsWith( github.event.release.tag_name, '_ios_betaonly' ) }}
     # NB: ${{ syntax }} is required despite GitHub docs to the contrary. Appears that ! operator can't be used otherwise.
 
-    runs-on: macos-15
+    runs-on: macos-26
     permissions: write-all
 
     steps:
@@ -48,7 +48,7 @@ jobs:
       - name: Choose xcode version
         uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: '16.4'
+          xcode-version: '26.2'
 
       - name: Build iOS Flutter App
         run: flutter build ios --config-only --release --no-codesign --dart-define KEEVAULT_STAGE=beta --dart-define KEEVAULT_NAME_SUFFIX='(b)' --dart-define KEEVAULT_ID_SUFFIX=.beta
@@ -83,7 +83,7 @@ jobs:
     name: Build and release prod testflight
     if: ${{ !contains ( github.event.release.tag_name, '_' ) || endsWith( github.event.release.tag_name, '_ios' ) }}
 
-    runs-on: macos-15
+    runs-on: macos-26
     permissions: write-all
 
     steps:
@@ -122,7 +122,7 @@ jobs:
       - name: Choose xcode version
         uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: '16.4'
+          xcode-version: '26.2'
 
       - name: Build iOS Flutter App
         run: flutter build ios --config-only --release --no-codesign --dart-define KEEVAULT_STAGE=prod --dart-define KEEVAULT_NAME_SUFFIX= --dart-define KEEVAULT_ID_SUFFIX= --dart-define IAP_APPLE_APP_STORE=yes