change email pfi79 (#5060)

Signed-off-by: Fedor Partanskiy <fedor.partanskiy@atme.com>

MAINTAINERS.md

@@ -11,7 +11,7 @@ See [the documentation on Maintainers](https://hyperledger-fabric.readthedocs.io
 | Andrew Coleman          | [andrew-coleman][andrew-coleman] | andrew-coleman | <andrew_coleman@uk.ibm.com>
 | Artem Barger            | [c0rwin][c0rwin] | c0rwin | <artem@bargr.net>
 | Dave Enyeart            | [denyeart][denyeart] | dave.enyeart | <enyeart@us.ibm.com>
-| Fedor Partanskiy        | [pfi79][pfi79] | pfi79 | <fredprtnsk@gmail.com> 
+| Fedor Partanskiy        | [pfi79][pfi79] | pfi79 | <fedor.partanskiy@atme.com> 
 | Manish Sethi            | [manish-sethi][manish-sethi] | manish-sethi | <manish.sethi@gmail.com>
 | Tatsuya Sato            | [satota2][satota2] | satota2 | <tatsuya.sato.so@hitachi.com>
 | Yacov Manevich          | [yacovm][yacovm] | yacovm | <yacov.manevich@gmail.com>