news-v5.0.x: Correct the hash we point at to PMIx/PRRTe.

Forgot to change this last update(s). There is probably a better
way to do this to keep it in sync. Will have to investigate. Or
maybe just remove this entirely...

bot:notacherrypick

Signed-off-by: Austen Lauria <[email protected]>

Author: awlauria

docs/news/news-v5.0.x.rst

@@ -30,8 +30,8 @@ Open MPI version 5.0.0rc4
    regardless of whether you are using an externally-installed PMIx or
    the PMIx that is installed with Open MPI.
 
-- Updated to use PMIx ``v4.2`` branch - current hash: ``1b86a35``.
-- Updated to use PRRTE ``v2.1`` branch - current hash: ``91f791e``.
+- Updated to use PMIx ``v4.2`` branch - current hash: ``d3445c8``.
+- Updated to use PRRTE ``v2.1`` branch - current hash: ``5378b09``.
 
 .. caution::
    Open MPI no longer builds 3rd-party packages