ci: use xcode 26 for e2e jobs

Author: V3RON

.github/workflows/e2e-tests.yml

@@ -130,6 +130,11 @@ jobs:
           node-version: '24.10.0'
           cache: 'pnpm'
 
+      - name: Setup Xcode 26
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: '26.0'
+
       - name: Install Watchman
         run: brew install watchman
 
@@ -370,6 +375,11 @@ jobs:
           node-version: '24.10.0'
           cache: 'pnpm'
 
+      - name: Setup Xcode 26
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: '26.0'
+
       - name: Install Watchman
         run: brew install watchman