cherry-picks: bring fixes from master to release branch#1720

Merged

NamanJain8 merged 6 commits intorelease/v3.2103from naman/cp/2103

Jul 8, 2021

+81-85

Commits on Jul 2, 2021

feat(compression): use klauspost zstd when cgo is not enabled (#1706 )
NamanJain8
committed
feat(zstd): replace datadog's zstd with Klauspost's zstd (#1709 )
NamanJain8
committed