Change redis to redis7

Leap 15.5 renamed the package, "redis" will try to install Redis 6 and
cause a conflict.

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

salt/profile/salt/master.sls

@@ -41,7 +41,7 @@ salt_master_extra_packages:
       - python3-ldap
       - python3-pynetbox
       - python3-redis
-      - redis
+      - redis7
       - salt-bash-completion
       - salt-fish-completion
       - salt-keydiff