feat: add the new shells variable to ensure support for all interactive shell.

Fix #269

apparmor.d/profiles-s-z/terminator

@@ -29,8 +29,7 @@ profile terminator @{exec_path} flags=(attach_disconnected) {
   @{bin}/python3.@{int} rix,
 
   # The shell is not confined on purpose.
-  @{bin}/{,b,d,rb}ash         rUx,
-  @{bin}/{c,k,tc,z}sh         rUx,
+  @{bin}/@{shells}      rUx,
 
   owner @{user_config_dirs}/terminator/{,**} rw,