Update URM Version to 1.4.4 and regenerated all puml files

thread-pool/etc/thread-pool.urm.puml

@@ -1,5 +1,20 @@
 @startuml
 package com.iluwatar.threadpool {
+  class App {
+    - LOGGER : Logger {static}
+    + App()
+    + main(args : String[]) {static}
+  }
+  class CoffeeMakingTask {
+    - TIME_PER_CUP : int {static}
+    + CoffeeMakingTask(numCups : int)
+    + toString() : String
+  }
+  class PotatoPeelingTask {
+    - TIME_PER_POTATO : int {static}
+    + PotatoPeelingTask(numPotatoes : int)
+    + toString() : String
+  }
   abstract class Task {
     - ID_GENERATOR : AtomicInteger {static}
     - id : int
@@ -9,25 +24,12 @@ package com.iluwatar.threadpool {
     + getTimeMs() : int
     + toString() : String
   }
-  class CoffeeMakingTask {
-    - TIME_PER_CUP : int {static}
-    + CoffeeMakingTask(numCups : int)
-    + toString() : String
-  }
   class Worker {
+    - LOGGER : Logger {static}
     - task : Task
     + Worker(task : Task)
     + run()
   }
-  class PotatoPeelingTask {
-    - TIME_PER_POTATO : int {static}
-    + PotatoPeelingTask(numPotatoes : int)
-    + toString() : String
-  }
-  class App {
-    + App()
-    + main(args : String[]) {static}
-  }
 }
 Worker -->  "-task" Task
 CoffeeMakingTask --|> Task