GA checkpoint integration

- version to 1.0.0
- release to ga
- kibana.version to 7.16.0

Relates #1562

packages/checkpoint/changelog.yml

@@ -1,4 +1,9 @@
 # newer versions go on top
+- version: "1.0.0"
+  changes:
+    - description: make GA
+      type: enhancement
+      link: https://github.com/elastic/integrations/pull/1605
 - version: "0.8.2"
   changes:
     - description: Convert to generated ECS fields

packages/checkpoint/manifest.yml

@@ -1,14 +1,14 @@
 name: checkpoint
 title: Check Point
-version: 0.8.2
-release: experimental
+version: 1.0.0
+release: ga
 description: This Elastic integration collects logs from Check Point products
 type: integration
 format_version: 1.0.0
 license: basic
 categories: [security]
 conditions:
-  kibana.version: "^7.14.0"
+  kibana.version: "^7.16.0"
 icons:
   - src: /img/checkpoint-logo.svg
     title: Check Point