message: DOC: document umpire MemoryResourceType fix
  Document umpire MemoryResourceType fix in release notes.
diff: @@ -22,6 +22,11 @@ The Axom project release numbers follow [Semantic Versioning](http://semver.org/
  Axom in parts of the code where OpenMP is enabled.
  ### Fixed
  +- Fixed usage of Umpire's MemoryResourceType enum in Axom. Axom was assuming that
  + there was a one-to-one correspondance of the entries in the MemoryResourceType enum
  + and the IDs of the predefined allocators. However, this assumption generally does
  + not hold. This version corrects this by explicitly querying the ID of the predefined
  + allocator for a particular resource and using that subsequently in the code.
  ### Known Bugs
  