chore: designate @jtlisi as v1.6.0 release shepherd (#3400)

Signed-off-by: Jacob Lisi <jacob.t.lisi@gmail.com>

Author: jtlisi

RELEASE.md

@@ -21,7 +21,7 @@ Our goal is to provide a new minor release every 6 weeks. This is a new process
 | v1.3.0         | 2020-08-03                                 | Marco Pracucci (@pracucci)                  |
 | v1.4.0         | 2020-09-14                                 | Marco Pracucci (@pracucci)                  |
 | v1.5.0         | 2020-10-26                                 | Chris Marchbanks (@csmarchbanks)            |
-| v1.6.0         | 2020-12-07                                 |                                             |
+| v1.6.0         | 2020-12-07                                 | Jacob Lisi (@jtlisi) |
 
 ## Release shepherd responsibilities