update copyright date

src/main/java/com/falsepattern/chunk/internal/BlockPosUtil.java

@@ -1,3 +1,28 @@
+/*
+ * ChunkAPI
+ *
+ * Copyright (C) 2023-2025 FalsePattern
+ * All Rights Reserved
+ *
+ * The above copyright notice and this permission notice
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, only version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This program comes with additional permissions according to Section 7 of the
+ * GNU Affero General Public License. See the full LICENSE file for details.
+ */
+
 package com.falsepattern.chunk.internal;
 
 public class BlockPosUtil {