feat(profile): use the new @{tmp} variable.

It is only used with the owner statement.

apparmor.d/groups/network/mullvad-daemon

@@ -57,8 +57,8 @@ profile mullvad-daemon @{exec_path} flags=(attach_disconnected) {
   @{sys}/fs/cgroup/net_cls/mullvad-exclusions/net_cls.classid rw,
   @{sys}/kernel/mm/transparent_hugepage/hpage_pmd_size r,
 
-  owner /tmp/@{uuid} rw,
-  owner /tmp/talpid-openvpn-@{uuid} rw,
+  owner @{tmp}/@{uuid} rw,
+  owner @{tmp}/talpid-openvpn-@{uuid} rw,
 
   owner @{PROC}/@{pid}/mounts r,
   owner @{PROC}/sys/net/ipv6/conf/all/disable_ipv6 r,

apparmor.d/groups/network/mullvad-gui

@@ -30,7 +30,7 @@ profile mullvad-gui @{exec_path} flags=(attach_disconnected) {
 
   owner @{user_cache_dirs}/dconf/user rw,
 
-  owner /tmp/.org.chromium.Chromium.@{rand6}/@{name}*.png rw,
+  owner @{tmp}/.org.chromium.Chromium.@{rand6}/@{name}*.png rw,
 
   @{run}/systemd/inhibit/*.ref rw,