Update Maven Checkstyle version from 2.17 to 3.0.0. Both versions cannot
seem to handle
C:\vcs\git\apache\logging\logging-log4j2\log4j-api-java9\src\main\java\module-info.java:
NoViableAltException occurred during the analysis of file
C:\vcs\git\apache\logging\logging-log4j2\log4j-api-java9\src\main\java\module-info.java.
unexpected token: module
<!-- all versions after 2.13 yield https://issues.apache.org/jira/browse/SUREFIRE-720 -->
<surefire.plugin.version>2.20.1</surefire.plugin.version>
<failsafe.plugin.version>2.20.1</failsafe.plugin.version>
- <checkstyle.plugin.version>2.17</checkstyle.plugin.version>
+ <checkstyle.plugin.version>3.0.0</checkstyle.plugin.version>
<rat.plugin.version>0.12</rat.plugin.version>
<pdf.plugin.version>1.2</pdf.plugin.version>
<cobertura.plugin.version>2.7</cobertura.plugin.version>
