[PM-25361] Fix Xcode 26 beta 6 build by installing simulator runtimes (#1900)

Author: fedemkr

.github/workflows/_build-any.yml

@@ -70,6 +70,12 @@ jobs:
         with:
           xcode-version: ${{ env._XCODE_VERSION }}
 
+      - name: Install simulators for specific Xcode version
+        if: env._XCODE_VERSION == '26.0-beta'
+        run: |
+          xcodebuild -downloadPlatform iOS
+          xcodebuild -downloadPlatform watchOS
+
       - name: Configure Ruby
         uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4 # v1.255.0
         with: