v32.0.0rc4

This is the fourth release candidate for version 32.
The highlights are:

• We re-enabled support for the mozilla, gentoo, istio, kbmsr2019, suse score, elixir, apache tomcat, xen, istio, ubuntu usn, apache httpd, fireye, apache kafka security advisories importers.
• We added support for CWE.
• We added migrations to remove corrupted advisories as described in #1086.
• We added aliases at package level in the API.
• We added support for conan related vulnerabilities.
• We added valid versions improver to get all versions in a vulnerable range for all ecosystems that we support in vulnerablecode.

What's Changed

• Migrate mozilla importer by @TG1999 in #1043
• Migrate gentoo importer #1055 by @TG1999 in #1056
• Migrate istio importer #1059 by @TG1999 in #1058
• Migrate projectkbmsr2019 importer by @TG1999 in #1066
• Migrate suse scoring importer #1052 by @TG1999 in #1050
• Migrate elixir security importer #1060 by @TG1999 in #1061
• Migrate apache tomcat importer by @johnmhoran in #1057
• Add support for CWE by @ziadhany in #782
• Add migrations to remove corrupted advisories #1086 by @TG1999 in #1087
• Prepare for release v32.0.0rc1 by @TG1999 in #1096
• Add migration for adding apache tomcat option in severity scoring by @TG1999 in #1097
• Prepare for release v32.0.0rc2 by @TG1999 in #1098
• Drop safetydb importer by @TG1999 in #1099
• Migrate xen importer by @TG1999 in #1044
• Use for_purl instead of for_package_url in package detail view by @TG1999 in #1101
• Add istio improver by @TG1999 in #1103
• Migrate ubuntu usn importer #1051 by @TG1999 in #1049
• Bump certifi from 2021.10.8 to 2022.12.7 by @dependabot in #1035
• Bump gitpython from 3.1.27 to 3.1.30 by @dependabot in #1070
• Add apache_httpd improver by @TG1999 in #1102
• Remove redundant API tests #1005 by @TG1999 in #1091
• Add fireeye vulnerabilities #487 by @ziadhany in #795
• use public VulnerableCode instance in VulnTotal by @keshav-space in #1075
• Add vulnerability aliases at package level in API by @TG1999 in #1104
• Modify apache_kafka.py and related tests for migration by @johnmhoran in #1042
• Prepare for release v32.0.0rc3 by @TG1999 in #1123
• minor fix: load env for GitHub DataSource by @keshav-space in #1118
• Fix github importer by @TG1999 in #1149
• Add valid version improver by @TG1999 in #1138
• Add env variables for throttling by @TG1999 in #1140
• Fix kbmsr2019 importer by @TG1999 in #1158
• Add support for conan advisories by @TG1999 in #1155
• Prepare for release of v32.0.0rc4 by @TG1999 in #1159

Full Changelog: v31.1.1...v32.0.0rc4