Fix workflow to use Flutter's built-in SPM configuration flag

Author: ened

.github/workflows/permission_handler_apple.yaml

@@ -61,19 +61,13 @@ jobs:
         run: flutter analyze
         working-directory: ${{env.source-directory}}
 
-      # Setup dependency manager
-      - name: Setup dependency manager
+      # Configure dependency manager
+      - name: Configure dependency manager
         run: |
-          if [ "${{ matrix.dependency-manager }}" = "cocoapods" ]; then
-            cd ${{env.example-directory}}/ios
-            if [ -f Podfile.backup ]; then
-              cp Podfile.backup Podfile
-            fi
+          if [ "${{ matrix.dependency-manager }}" = "spm" ]; then
+            flutter config --enable-swift-package-manager
           else
-            cd ${{env.example-directory}}/ios
-            if [ -f Podfile ]; then
-              mv Podfile Podfile.disabled
-            fi
+            flutter config --no-enable-swift-package-manager
           fi
 
       # Build iOS version of the example App