Add the bio and the gpg field in the users.

Also, the user migration was updated to migrate the data of these
fields.

web/modules/custom/agaric_migration/migrations/agaric_user.yml

@@ -15,6 +15,7 @@ process:
   status: status
   timezone: timezone
   init: init
+  field_bio: field_bio
   roles:
     -
       plugin: static_map
@@ -30,3 +31,29 @@ process:
       plugin: role_generate
       entity_type: user_role
       value_key: id
+  field_gpg_public_key/target_id:
+    -
+      plugin: extract
+      source: field_gpg_public_key
+      default: ''
+      index:
+        - 0
+        - fid
+    -
+      plugin: skip_on_empty
+      method: process
+    -
+      plugin: migration_lookup
+      migration: agaric_file
+  user_picture:
+    -
+      plugin: default_value
+      source: picture
+      default_value: null
+    -
+      plugin: migration_lookup
+      migration: agaric_file
+migration_dependencies:
+  optional:
+    - agaric_file
+