edit .mailmap file to resolve Jenkins warnings.

Signed-off-by: Samuel K. Gutierrez <samuel@lanl.gov>
(cherry picked from commit cdb2dc0)

Author: samuelkgutierrez

.mailmap

@@ -122,6 +122,9 @@ Wei-keng Liao <wkliao@users.noreply.github.com>
 
 Matthew G. F. Dosanjh <mdosanj@sandia.gov>
 
+Samuel K. Gutierrez <samuel@lanl.gov> <samuelkgutierrez@users.noreply.github.com>
+Samuel K. Gutierrez <samuel@lanl.gov> <samuel@lanl.gov>
+
 Tomislav Janjusic <tomislavj@nvidia.com> Tomislavj Janjusic <tomislavj@nvidia.com>
 
 William P. LePera <lepera@us.ibm.com>