optimize: update source license (apache#6656)

Author: slievrly

LICENSE

@@ -208,35 +208,31 @@
    subcomponents is subject to the terms and conditions of the following
    licenses.
 
-   For the package org.apache.seata.sqlparser.antlr.mysql.antlr
-   This product contains a portion of the Antlr project, which is published at
-   https://github.com/antlr/antlr4. The project is licensed under a BSD 3-Clause License:
-
-      Copyright (c) 2012-2022 The ANTLR Project. All rights reserved.
-
-      Redistribution and use in source and binary forms, with or without
-      modification, are permitted provided that the following conditions
-      are met:
-
-      1. Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-
-      2. Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-
-      3. Neither name of copyright holders nor the names of its contributors
-      may be used to endorse or promote products derived from this software
-      without specific prior written permission.
-
-      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-      ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-      LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-      A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR
-      CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-      EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-      PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-      PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-      LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-      NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-      SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+   For the org.apache.seata.sqlparser.antlr.mysql.antlr.MySqlLexer.g4 and
+   org.apache.seata.sqlparser.antlr.mysql.antlr.MySqlParser.g4:
+
+   This product contains a portion of the antlr/grammars-v4 project, which is published at
+   https://github.com/antlr/grammars-v4. The code is licensed under an MIT License:
+
+      MySQL (Positive Technologies) grammar
+      The MIT License (MIT).
+      Copyright (c) 2015-2017, Ivan Kochurkin ([email protected]), Positive Technologies.
+      Copyright (c) 2017, Ivan Khudyashev ([email protected])
+
+      Permission is hereby granted, free of charge, to any person obtaining a copy
+      of this software and associated documentation files (the "Software"), to deal
+      in the Software without restriction, including without limitation the rights
+      to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+      copies of the Software, and to permit persons to whom the Software is
+      furnished to do so, subject to the following conditions:
+
+      The above copyright notice and this permission notice shall be included in
+      all copies or substantial portions of the Software.
+
+      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+      IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+      FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+      AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+      LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+      OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+      THE SOFTWARE.