ci: update build docc

Author: arnaud-roland

.github/workflows/documentation.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Build DocC
         run: |
             # Build DocArchive
-            cd Sources && xcodebuild docbuild CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGNING_ALLOWED="NO"
+            cd Sources && xcodebuild docbuild -scheme Batch CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGNING_ALLOWED="NO"
             
             # Transform for static hosting
             `xcrun -find docc` process-archive transform-for-static-hosting  build/Release-iphoneos/Batch.doccarchive --hosting-base-path Batch-iOS-SDK --output-path ../docs