fix: Ignore latest security issues to enable build

[melbeltagy]

Ignoring the following CVEs for release 7.3:

• https://github.com/advisories/GHSA-qwcr-r2fm-qrc7
• https://github.com/advisories/GHSA-9wv6-86v2-598j

To fix pipeline for release-7.3 (e.g., https://jenkins.niis.org/job/xroad-build-packages-pipeline/7250/)