Issue #3363774 by Arantxio, bram.velthoven: ReferenceError: _ is not defined...

Issue #3363774 by Arantxio, bram.velthoven: ReferenceError: _ is not defined for placeholder.js for anonymous user

fortytwo.info.yml

@@ -3,7 +3,7 @@ type: theme
 base theme: false
 description: 'Drupal 8 responsive full featured base theme'
 package: Core
-core_version_requirement: ^9.2 || ^10
+core_version_requirement: ^9.5 || ^10
 
 libraries:
   - fortytwo/base

fortytwo.libraries.yml

@@ -26,6 +26,9 @@ placeholder:
   version: 1.x
   js:
     static/js/lib/polyfills/placeholder.js: {}
+  dependencies:
+    - core/jquery
+    - core/internal.underscore
 
 enquire:
   version: 1.x