Set crowdin update_option to update_as_unapproved (#678)

Author: steppi

crowdin.yml

@@ -5,10 +5,13 @@ preserve_hierarchy: true
 files:
   - source: /content/en/*.yaml
     translation: /content/%two_letters_code%/%original_file_name%
+    update_option: "update_as_unapproved"
   - source: /content/en/*.md
     translation: /content/%two_letters_code%/%original_file_name%
+    update_option: "update_as_unapproved"
     ignore:
       - /content/en/terms.md
       - /content/en/diversity_sep2020.md
   - source: /content/en/case-studies/*.md
     translation: /content/%two_letters_code%/case-studies/%original_file_name%
+    update_option: "update_as_unapproved"