Update scalaz-concurrent, scalaz-core to 7.2.34 (#2604)
Update scalaz-concurrent, scalaz-core to 7.2.34 (#2604)

Co-authored-by: Sam Sam <f16bed56189e249fe4ca8ed10a1ecae60e8ceac0@sksamuel.com>
sksamuel/elastic4s,sksamuel/elastic4s