Bump gradlew to 9.2.1 and bump other build dependencies

Author: bobbylight

build.gradle

@@ -23,7 +23,7 @@ allprojects {
     }
 
     wrapper {
-        gradleVersion = '8.13'
+        gradleVersion = '9.2.1'
     }
 
 	tasks.withType(Javadoc) {
@@ -42,7 +42,7 @@ subprojects {
     }
 
     checkstyle {
-        toolVersion = '10.25.0'
+        toolVersion = '12.3.0'
         configDirectory = file("$rootProject.projectDir/config/checkstyle")
     }
 
@@ -68,10 +68,10 @@ subprojects {
 //    }
 
     dependencies {
-        testImplementation platform('org.junit:junit-bom:5.13.1')
+        testImplementation platform('org.junit:junit-bom:6.0.1')
         testImplementation 'org.junit.jupiter:junit-jupiter'
         testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
-        testImplementation 'org.mockito:mockito-core:5.15.2'
+        testImplementation 'org.mockito:mockito-core:5.21.0'
     }
 
     compileJava {

config/checkstyle/checkstyle.xml

@@ -112,7 +112,7 @@
 		<module name="JavadocType"/>
 		<!--
         <module name="JavadocVariable">
-			<property name="scope" value="package"/>
+			<property name="accessModifiers" value="package"/>
 		</module>
 		-->
 		<module name="JavadocStyle"/>
@@ -243,8 +243,10 @@
         <!--<module name="MagicNumber"/> Unfortunately, too much noise -->
         <!--<module name="MissingSwitchDefault"/>-->
 		<module name="MultipleVariableDeclarations"/>
+        <module name="PatternVariableAssignment"/>
 		<module name="SimplifyBooleanExpression"/>
 		<module name="SimplifyBooleanReturn"/>
+        <module name="UnnecessaryNullCheckWithInstanceOf"/>
 		<!--		<module name="UnnecessaryParentheses"/>-->
 		<module name="UnnecessarySemicolonAfterOuterTypeDeclaration"/>
 		<module name="UnnecessarySemicolonAfterTypeMemberDeclaration"/>

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME