Merge pull request #14843 from nextcloud/backport/14842/stable31

[stable31] ci: Generate authoritative classmap again

Author: nickvergessen

.github/workflows/appstore-build-publish.yml

@@ -89,7 +89,7 @@ jobs:
         if: steps.check_composer.outputs.files_exists == 'true'
         run: |
           cd ${{ env.APP_NAME }}
-          composer install --no-dev
+          composer install --no-dev --classmap-authoritative
 
       - name: Build ${{ env.APP_NAME }}
         # Skip if no package.json