set Xcode version before building

Author: suntrix

.github/workflows/publish.yml

@@ -19,6 +19,9 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '11'
+      - uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: '12.5.1'
       - name: Setup versions
         uses: eskatos/gradle-command-action@v1
         with:

.github/workflows/pull_request.yml

@@ -19,6 +19,9 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '11'
+      - uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: '12.5.1'
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
       - name: Install Carthage