chore: release clouddms 1.0.0 (#4831)

diff --git a/clouddms/CHANGES.md b/clouddms/CHANGES.md
index 13ffca1..67675eb 100644
--- a/clouddms/CHANGES.md
+++ b/clouddms/CHANGES.md
@@ -8,3 +8,4 @@
 
 This is the first tag to carve out clouddms as its own module. See
 [Add a module to a multi-module repository](https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository).
+