Update Joe's info

Author: Joseph-Edwards

.mailmap

@@ -7,7 +7,7 @@ Tom Conti-Leslie <tom.contileslie@gmail.com> Tom Conti-Leslie <tdcl@st-andrews.a
 Jan De Beule <jdebeule@cage.ugent.be>
 Jan De Beule <jdebeule@cage.ugent.be> Jan De Beule <jan@debeule.eu>
 Jan De Beule <jdebeule@cage.ugent.be> jdebeule <unknown>
-Joe Edwards <je53@st-andrews.ac.uk> Joe Edwards <80713360+Joseph-Edwards@users.noreply.github.com>
+Joseph Edwards <jde1@st-andrews.ac.uk> Joseph Edwards <80713360+Joseph-Edwards@users.noreply.github.com>
 Luke Elliott <le27@st-andrews.ac.uk> Luke <le27@st-andrews.ac.uk>
 Luke Elliott <le27@st-andrews.ac.uk> le27 <le27@st-andrews.ac.uk>
 Max Horn <horn@mathematik.uni-kl.de> Max Horn <max@quendi.de>

PackageInfo.g

@@ -127,10 +127,10 @@ Persons := [
 
   rec(
     LastName      := "Edwards",
-    FirstNames    := "Joe",
+    FirstNames    := "Joseph",
     IsAuthor      := false,
     IsMaintainer  := false,
-    Email         := "je53@st-andrews.ac.uk",
+    Email         := "jde1@st-andrews.ac.uk",
     PostalAddress := _STANDREWSMATHS,
     Place         := "St Andrews",
     Institution   := "University of St Andrews",