message: simplify iOS CI task
diff: @@ -259,10 +259,9 @@ jobs:
  if: matrix.run_integration_tests && matrix.os != 'windows-latest'
  - name: Run iOS integration tests
  run: |
  - ls /Applications | grep Xcode
  - sudo xcode-select --switch "$(find /Applications -mindepth 1 -maxdepth 1 ! -type l | grep "Xcode_[\.0-9]*app" | sort -V | tail -1)/Contents/Developer"
  -
  + sudo xcode-select --switch "/Applications/Xcode_13.0.app/Contents/Developer"
  rustup toolchain install nightly
  + rustup default nightly
  rustup target add --toolchain nightly aarch64-apple-ios x86_64-apple-ios aarch64-apple-ios-sim
  cargo install cargo-lipo
  make test-integration-ios
  