feat: Suppress SonarQube warnings in PolyglotBook and ZobristHash by adding NOSONAR comments

modules/bot/src/main/scala/de/nowchess/bot/util/PolyglotBook.scala

@@ -120,12 +120,11 @@ final class PolyglotBook(path: String):
       Move(from, to, MoveType.Normal())
 
   /** Select a weighted random move from the list of book entries. */
-  @scala.annotation.nowarn("msg=scala:S2245")
   private def weightedRandom(entries: Vector[BookEntry]): BookEntry =
     if entries.length == 1 then entries.head
     else
       val totalWeight = entries.map(_.weight).sum
-      val pick        = Random.nextInt(totalWeight.max(1))
+      val pick        = Random.nextInt(totalWeight.max(1)) // NOSONAR
 
       @scala.annotation.tailrec
       def select(remaining: Int, idx: Int): BookEntry =

modules/bot/src/main/scala/de/nowchess/bot/util/ZobristHash.scala

@@ -12,8 +12,7 @@ object ZobristHash:
   private val pieceRands: Array[Long] = Array.ofDim(768)
 
   // Side-to-move: XOR when Black to move
-  @scala.annotation.nowarn("msg=scala:S2245")
-  private val sideToMoveRand: Long = Random(0x1badb002L).nextLong()
+  private val sideToMoveRand: Long = Random(0x1badb002L).nextLong() // NOSONAR
 
   // 4 entries: White kingside, White queenside, Black kingside, Black queenside
   private val castlingRands: Array[Long] = Array.ofDim(4)
@@ -23,8 +22,7 @@ object ZobristHash:
 
   // Initialize all random values using a seeded RNG for reproducibility
   locally:
-    @scala.annotation.nowarn("msg=scala:S2245")
-    val rng = Random(0x1badb002L)
+    val rng = Random(0x1badb002L) // NOSONAR
     for i <- 0 until 768 do pieceRands(i) = rng.nextLong()
     for i <- 0 until 4 do castlingRands(i) = rng.nextLong()
     for i <- 0 until 8 do enPassantRands(i) = rng.nextLong()