Release v6.7.2

What's Changed

• purl consolidation, dedup, and vers-bound neutralization by @prabhu in #264
• data quality fixes by @prabhu in #265
• Fix OS/container purl interop for cdxgen SBOMs (rpm/deb/apk) by @prabhu in #266
• Improve VERS version range support, comparators, and native range parsing by @prabhu in #267
• Add apk suffix + openssl native version comparators by @prabhu in #268

Full Changelog: v6.7.1...v6.7.2