chore: release notes for v21.05.0 (#1888)
chore: release notes for v21.05.0 (#1888)

Auto generated release notes for `v21.05.0` by @piotradamczyk5
Flank/flank,Flank/flank,Flank/flank,Flank/flank,Flank/flank,Flank/flank,Flank/flank,Flank/flank,Flank/flank,Flank/flank