SPIGOT-7964: Fix typo in Deprecation annotation

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/block/Skull.java

@@ -42,7 +42,7 @@ public interface Skull extends TileState {
      * @return true if the owner was successfully set
      * @deprecated see {@link #setOwningPlayer(org.bukkit.OfflinePlayer)}.
      */
-    @Deprecated(since = "1.94")
+    @Deprecated(since = "1.9.4")
     @Contract("null -> false")
     public boolean setOwner(@Nullable String name);