Use the correct key

content-trans/ar/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/bs/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/ca-va/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
 layout: home

content-trans/ca/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
 layout: home

content-trans/cs/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/de/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
 layout: home

content-trans/el/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/en-gb/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/es/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
 layout: home

content-trans/et/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/eu/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/fi/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
 layout: home

content-trans/fr/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
 layout: home

content-trans/ga/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/gl/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/hu/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/ia/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/it/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
 layout: home

content-trans/ja/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
+  warning: true
 layout: home
 menu:
   main:

content-trans/ko/_index.md

 ---
-i18n_options:
+i18n_configs:
   conditions:
   - strings
 layout: home