devop: adjust workflow for crowdin to use base branch main

Author: olgakup

.github/workflows/crowdin.yml

@@ -19,11 +19,12 @@ jobs:
           upload_sources: true
           upload_translations: false
           download_translations: true
+          download_sources: true
           localization_branch_name: l10n_crowdin_translations
           create_pull_request: true
           pull_request_title: 'New Crowdin Translations'
           pull_request_body: 'New Crowdin translations by [Crowdin GH Action](https://github.com/crowdin/github-action)'
-          pull_request_base_branch_name: 'crowdin/translations'
+          pull_request_base_branch_name: 'main'
         env:
           # A classic GitHub Personal Access Token with the 'repo' scope selected (the user should have write access to the repository).
           GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}