v0.2.1

FLoops v0.2.1

Diff since v0.2.0

Merged pull requests:

• Drop Julia < 1.6 support (#94) (@tkf)
• Use FLoopsBase.AbstractScratchSpace (#113) (@tkf)
• Move "How to avoid Box" to a howto page (#124) (@tkf)
• CompatHelper: bump compat for Setfield to 1, (keep existing compat) (#128) (@github-actions[bot])
• CompatHelper: bump compat for Compat to 4, (keep existing compat) (#129) (@github-actions[bot])