Updated changelog.yml with the PR link

Author: qcorporation

packages/qualys_vmdr/changelog.yml

@@ -3,7 +3,7 @@
  changes:
  - description: Add agentless deployment.
  type: enhancement
- link: https://github.com/elastic/integrations/pull/1
+ link: https://github.com/elastic/integrations/pull/13203
 - version: "6.3.1"
  changes:
  - description: Fix `event.category` for Qualys vulnerabilities.