Bump checkstyle from 8.42 to 9.3

Author: adangel

pom.xml

@@ -24,7 +24,7 @@
     <pmd.version>6.42.0</pmd.version>
     <maven-antrun-plugin.version>1.8</maven-antrun-plugin.version>
     <pmd.build-tools.version>17</pmd.build-tools.version>
-    <checkstyle.version>8.42</checkstyle.version>
+    <checkstyle.version>9.3</checkstyle.version>
     <checkstyle.plugin.version>3.1.2</checkstyle.plugin.version>
     <pmd.plugin.version>3.15.0</pmd.plugin.version>
     <pmd.check.version>6.42.0</pmd.check.version>