Bump maxim-lobanov/setup-xcode from 1.5.1 to 1.6.0 (#146)

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@v1.5.1...v1.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/pull-request.yml

@@ -68,7 +68,7 @@ jobs:
       - uses: actions/[email protected]
       - name: Install gpg
         run: brew install gnupg
-      - uses: maxim-lobanov/setup-xcode@v1.5.1
+      - uses: maxim-lobanov/setup-xcode@v1.6.0
         with:
           xcode-version: ${{ matrix.xcode }}
       - name: Install pod dependencies