Update release.yml

Author: uhooi

.github/workflows/release.yml

@@ -7,6 +7,8 @@ on:
 jobs:
   deploy-cocoapods:
     runs-on: macOS-latest
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_13.2.app
     steps:
       - uses: actions/checkout@v2
       - name: Install bundled Gems