Add field_topic to podcast episodes

config/sync/field.field.node.podcast_episode.field_topic.yml

@@ -0,0 +1,19 @@
+uuid: 220bd2c1-383e-491b-a58f-df61fc14bff9
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.node.field_topic
+    - node.type.podcast_episode
+id: node.podcast_episode.field_topic
+field_name: field_topic
+entity_type: node
+bundle: podcast_episode
+label: Topic
+description: ''
+required: true
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings: {  }
+field_type: string