6 files declare their use of EntityConfirmFormBase in Drupal 10

BreakLockForm.php in core/modules/views_ui/src/Form/BreakLockForm.php

FilterDisableForm.php in core/modules/filter/src/Form/FilterDisableForm.php

ImageStyleFlushForm.php in core/modules/image/src/Form/ImageStyleFlushForm.php

VocabularyResetForm.php in core/modules/taxonomy/src/Form/VocabularyResetForm.php

WorkflowDeleteForm.php in core/modules/workflows/src/Form/WorkflowDeleteForm.php

WorkspaceActivateForm.php in core/modules/workspaces/src/Form/WorkspaceActivateForm.php