Revert "Bump checkstyle from 8.29 to 8.37 (#198)"
Revert "Bump checkstyle from 8.29 to 8.37 (#198)"

This reverts commit 7cf69ff3ed608d383b394c681afe5c77bf9d518c.

spring-cloud/spring-cloud-build,spring-cloud/spring-cloud-build