Repository: firebase/firebase-ios-sdk (language: cpp)

Issue:
Nightly Testing Report
# Nightly Testing Report
This issue([log](https://github.com/firebase/firebase-ios-sdk/actions/runs/1349180467)) is generated at 10/16/2021 06:04 AM, fetching workflow runs triggered in the last 24 hrs.
| Workflow |10/15|
| -------- | -------- |
| [zip](https://github.com/firebase/firebase-ios-sdk/blob/master/.github/workflows/zip.yml) | [failure](https://github.com/firebase/firebase-ios-sdk/actions/runs/1348695704) |
| [spm](https://github.com/firebase/firebase-ios-sdk/blob/master/.github/workflows/spm.yml) | [failure](https://github.com/firebase/firebase-ios-sdk/actions/runs/1348705050) |



Discussion / hints:
spm failure is #8810 
zip failure is the auth quickstart after facebook sdk 12.0.1 started https://github.com/facebook/facebook-ios-sdk/issues/1911

Fix patch:
diff --git a/.github/workflows/zip.yml b/.github/workflows/zip.yml
index 22bf891298a..c0818f698e4 100644
--- a/.github/workflows/zip.yml
+++ b/.github/workflows/zip.yml
@@ -137,9 +137,12 @@ jobs:
       signin_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
       FRAMEWORK_DIR: "Firebase-actions-dir"
       SDK:  "Authentication"
-    runs-on: macOS-10.15
+    runs-on: macos-11
     steps:
     - uses: actions/checkout@v2
+      # Facebook SDK 12.0.1 requires Xcode 13
+    - name: Xcode 13.0
+      run: sudo xcode-select -s /Applications/Xcode_13.0.app/Contents/Developer
     - name: Get framework dir
       uses: actions/download-artifact@v1
       with:


Test patch: