v5.73.2

What's fixed

• Revert AssetContainer::accessible() visibility change #13673 by @duncanmcclean
• Fix: Prevent 304 responses without client cache headers #13654 by @mynetx
• Fix uninitialized property error from HandleEntrySchedule job #13648 by @duncanmcclean
• Bump lodash from 4.17.21 to 4.17.23 #13628 by @dependabot
• Avoid updating Bard value unless content has actually changed #13645 by @duncanmcclean