message: Add compile->build rename breaking change to CHANGELOG.
  Fixes
diff: @@ -52,6 +52,7 @@ Breaking changes for the regex API:
  * The `RegexBuilder` type has switched from owned `self` method receivers to
  `&mut self` method receivers. Most uses will continue to work unchanged, but
  some code may require naming an intermediate variable to hold the builder.
  +* The `compile` method on `RegexBuilder` has been renamed to `build`.
  * The free `is_match` function has been removed. It is replaced by compiling
  a `Regex` and calling its `is_match` method.
  * The `PartialEq` and `Eq` impls on `Regex` have been dropped. If you relied
  