feat(profile): replace former regex by the new @{user} variable.

apparmor.d/groups/kde/kscreenlocker_greet

@@ -92,7 +92,7 @@ profile kscreenlocker_greet @{exec_path} {
 
   owner @{tmp}/*-cover-*.{jpg,png} r,
 
-  @{run}/faillock/[a-zA-z0-9]* rwk,
+  @{run}/faillock/@{user} rwk,
 
   @{sys}/devices/system/node/ r,
   @{sys}/devices/system/node/node@{int}/meminfo r,

apparmor.d/groups/kde/sddm

@@ -172,7 +172,7 @@ profile sddm @{exec_path} flags=(attach_disconnected,mediate_deleted) {
   owner @{tmp}/#@{int} rw,
   owner @{tmp}/sddm-auth* rw,
 
-        @{run}/faillock/[a-zA-z0-9]* rwk,
+        @{run}/faillock/@{user} rwk,
         @{run}/sddm.pid rw,
         @{run}/sddm/\{@{uuid}\} rw,
         @{run}/sddm/#@{int} rw,