Addresses https://github.com/fleetdm/fleet/issues/10112 Improved test coverage, also fixed a bug related to vulnerability processing for mac office apps.
This PR adds the capability of parsing the release notes posted in https://learn.microsoft.com/en-us/officeupdates/release-notes-office-for-mac into a JSON metadata file (to be released in the NVD repo) and use it for detecting vulnerabilities on Mac Office apps.