NO_RELEASE_CHANGE pin protolite version for transitive dep (#5050)

Co-authored-by: David Motsonashvili <[email protected]>

Author: davidmotson

protolite-well-known-types/gradle.properties

@@ -1,2 +1,5 @@
-version=18.0.1
+# IMPORTANT (b/285892320) Keep version and latestReleasedVersion in sync 
+# unless you are releasing a new version of the library to prevent issues 
+# with transitive dependencies.
+version=18.0.0
 latestReleasedVersion=18.0.0