Fetches a list of fixes (vulnerability solutions) from Cisco Vulnerability Management (formerly Kenna).

Target: Cisco Vulnerability Management integration target or an HTTP Endpoint for "api.<region>.kennasecurity.com"

Account Key: None if using an integration-provided target, API token if using an HTTP endpoint target

Steps:
- Build the authorization header
- Build query string
- Fetch the list of fixes
- Check if the request was successful:
  - If it was, extract the results and set the output variables
  - If it wasn't, return an error

More information about this API: https://apidocs.kennasecurity.com/reference/list-fixes

Cisco Vulnerability Management - Get Fixes