Updated license headers [skip ci]

Author: harawata

.github/workflows/coveralls.yaml

@@ -1,5 +1,5 @@
 #
-#    Copyright 2016-2020 the original author or authors.
+#    Copyright 2009-2020 the original author or authors.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License");
 #    you may not use this file except in compliance with the License.

pom.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2009-2020 the original author or authors.
+       Copyright 2009-2021 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.

src/main/java/org/apache/ibatis/builder/xml/XMLConfigBuilder.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2020 the original author or authors.
+ *    Copyright 2009-2021 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.

src/main/java/org/apache/ibatis/cache/decorators/WeakCache.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2019 the original author or authors.
+ *    Copyright 2009-2021 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.

src/main/java/org/apache/ibatis/reflection/wrapper/MapWrapper.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2018 the original author or authors.
+ *    Copyright 2009-2021 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.

src/site/ko/xdoc/getting-started.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2009-2019 the original author or authors.
+       Copyright 2009-2020 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.

src/test/java/org/apache/ibatis/testcontainers/MysqlContainer.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2019 the original author or authors.
+ *    Copyright 2009-2021 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.
@@ -13,7 +13,6 @@
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
  */
-
 package org.apache.ibatis.testcontainers;
 
 import javax.sql.DataSource;