Enable Entity Reference Override and configure biography field

config/sync/field.field.node.article.field_biography.yml

@@ -0,0 +1,32 @@
+uuid: e3e1e0cd-2744-49d0-8486-bb4dd67ce521
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.node.field_biography
+    - node.type.article
+    - node.type.people
+  module:
+    - entity_reference_override
+id: node.article.field_biography
+field_name: field_biography
+entity_type: node
+bundle: article
+label: Biography
+description: ''
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings:
+  handler: 'default:node'
+  handler_settings:
+    target_bundles:
+      people: people
+    sort:
+      field: changed
+      direction: DESC
+    auto_create: false
+    auto_create_bundle: ''
+  override_label: 'Short current or topical bio supplement'
+field_type: entity_reference_override