Add entity.source to asset discovery (#14087)

Author: romulets

packages/cloud_asset_inventory/changelog.yml

@@ -1,6 +1,11 @@
 # newer versions go on top
 # version map:
 # 0.1.x - 8.15.x
+- version: "0.18.0"
+ changes:
+ - description: Add entity.source
+ type: enhancement
+ link: https://github.com/elastic/integrations/pull/14087
 - version: "0.17.0"
  changes:
  - description: Add cloud connector support Asset Inventory for AWS

packages/cloud_asset_inventory/data_stream/asset_inventory/fields/entity.yml

@@ -13,6 +13,9 @@
  - name: sub_type
  type: keyword
 
+ - name: source
+ type: keyword
+ 
  - name: raw
  type: flattened
 

packages/cloud_asset_inventory/manifest.yml

@@ -1,7 +1,7 @@
 format_version: 3.3.2
 name: cloud_asset_inventory
 title: "Cloud Asset Discovery"
-version: "0.17.0"
+version: "0.18.0"
 source:
  license: "Elastic-2.0"
 description: "Discover and Create Cloud Assets Discovery"