style: update copyright

Signed-off-by: Hiroshi Miura <[email protected]>

test/src/org/omegat/util/TmxEscapingWriterTest.java

@@ -1,3 +1,28 @@
+/**************************************************************************
+ OmegaT - Computer Assisted Translation (CAT) tool
+ with fuzzy matching, translation memory, keyword search,
+ glossaries, and translation leveraging into updated projects.
+
+ Copyright (C) 2024 Hiroshi Miura
+ Home page: https://www.omegat.org/
+ Support center: https://omegat.org/support
+
+ This file is part of OmegaT.
+
+ OmegaT is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ OmegaT 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ **************************************************************************/
+
 package org.omegat.util;
 
 import static org.assertj.core.api.Assertions.assertThat;