apt: Upgrade to Salt 3002

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>

apt/salt.list.Debian.buster

@@ -1 +1 @@
-deb http://repo.saltstack.com/py3/debian/10/amd64/2019.2/ buster main
+deb http://repo.saltstack.com/py3/debian/10/amd64/3002/ buster main

apt/salt.list.Debian.stretch

@@ -1 +1 @@
-deb http://repo.saltstack.com/py3/debian/9/amd64/2019.2/ stretch main
+deb http://repo.saltstack.com/py3/debian/10/amd64/3002/ stretch main