Fixing github handle

library/open-liberty

@@ -1,4 +1,4 @@
-Maintainers: Gkerta Seferi <[email protected]> (@gseferi),
+Maintainers: Gkerta Seferi <[email protected]> (@gkertasef),
              Leo Christy Jesuraj <[email protected]> (@leochr),
              Michal Broz <[email protected]> (@mbroz2),
              Wendy Raschke <[email protected]> (@wraschke)

library/websphere-liberty

@@ -1,4 +1,4 @@
-Maintainers: Gkerta Seferi <[email protected]> (@gseferi),
+Maintainers: Gkerta Seferi <[email protected]> (@gkertasef),
              Leo Christy Jesuraj <[email protected]> (@leochr),
              Michal Broz <[email protected]> (@mbroz2),
              Wendy Raschke <[email protected]> (@wraschke)