Plan for merging pull requestes

[ziadhany]

I think we should merge the pull requests in this order to avoid too many merge conflicts

• Refactor Gitimporter using fetchcode #817
• test redhat importer performance by profiling #843
• add support for calculating CVSS score from the CVSS vector #747
• Add support for CWE #782
• Add support for all osv ecosystems #926
• npm importer - improver migration #805
• Add fireeye vulnerabilities #487 #795
• Import data from GSD #706 #787
• Migrate ruby to new importers #799