Build: Bump maxim-lobanov/setup-xcode from 1.5.1 to 1.6.0

Bumps [maxim-lobanov/setup-xcode](https://github.com/maxim-lobanov/setup-xcode) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/maxim-lobanov/setup-xcode/releases)
- [Commits](maxim-lobanov/setup-xcode@9a697e2...60606e2)

---
updated-dependencies:
- dependency-name: maxim-lobanov/setup-xcode
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/autobuild.yml

@@ -288,7 +288,7 @@ jobs:
     steps:
       - name:                       Select Xcode version for Mac
         if:                         matrix.config.target_os == 'macos' || matrix.config.target_os == 'ios'
-        uses:                       maxim-lobanov/setup-xcode@9a697e2b393340c3cacd97468baa318e4c883d98
+        uses:                       maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
         with:
           xcode-version:            ${{ matrix.config.xcode_version }}