v6.21.0

What's new

• Add default sorting support for taxonomies #14772 by @finnjsmith
• Add default initial option configuration option for Link fieldtype #14698 by @martyf
• Add exclude param to stache commands #14788 by @edalzell

What's fixed

• Fix Modify::__toString() throwing TypeError for non-string scalar values #14674 by @VerburgtJimmy
• Speed up Stache warming for large structured collections #14781 by @o1y
• Implement permissions cache on eloquent users #14661 by @ryanmitchell
• Adjust listing skeleton to match configured features #14796 by @daun
• Fix docs for Listing component #14798 by @duncanmcclean
• Don't reserve space when a field's display label is hidden #14803 by @jasonvarga
• Bump web-auth/webauthn-lib to ^5.3.0 #14727 by @sstraakenbroek
• Prevent overlapping git commit jobs #14672 by @aerni
• French translations #14789 by @ebeauchamps