Update to Minecraft 1.21.2

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

paper-api/src/main/java/org/bukkit/GameRule.java

@@ -29,6 +29,11 @@ public final class GameRule<T> {
      */
     public static final GameRule<Boolean> COMMAND_BLOCK_OUTPUT = new GameRule<>("commandBlockOutput", Boolean.class);
 
+    /**
+     * Whether the server should skip checking player speed.
+     */
+    public static final GameRule<Boolean> DISABLE_PLAYER_MOVEMENT_CHECK = new GameRule<>("disablePlayerMovementCheck", Boolean.class);
+
     /**
      * Whether the server should skip checking player speed when the player is
      * wearing elytra.
@@ -278,6 +283,12 @@ public final class GameRule<T> {
      */
     public static final GameRule<Integer> PLAYERS_NETHER_PORTAL_CREATIVE_DELAY = new GameRule<>("playersNetherPortalCreativeDelay", Integer.class);
 
+    /**
+     * The maximum speed of minecarts (when the new movement algorithm is
+     * enabled).
+     */
+    public static final GameRule<Integer> MINECART_MAX_SPEED = new GameRule<>("minecartMaxSpeed", Integer.class);
+
     /**
      * The number of chunks around spawn which will be kept loaded at all times.
      */