Upgrade to Checkstyle 9.3

Closes gh-333

Author: wilkinsona

README.adoc

@@ -1,5 +1,5 @@
 :release-version: 0.0.32
-:checkstyle-version: 8.45.1
+:checkstyle-version: 9.3
 == Spring Java Format
 
 

pom.xml

@@ -39,7 +39,7 @@
 		<ant-contrib.version>1.0b3</ant-contrib.version>
 		<asm.version>7.3.1</asm.version>
 		<assertj.version>3.8.0</assertj.version>
-		<checkstyle.version>9.0.1</checkstyle.version>
+		<checkstyle.version>9.3</checkstyle.version>
 		<gradle.version>3.4</gradle.version>
 		<groovy.version>2.4.21</groovy.version>
 		<log4j.version>2.17.1</log4j.version>

spring-javaformat/spring-javaformat-checkstyle/src/test/resources/source/TernaryInIf.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2019 the original author or authors.
+ * Copyright 2017-2022 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.
@@ -24,7 +24,9 @@ public class TernaryInIf {
 	public void test() {
 		boolean a = true;
 		boolean b = false;
-		if ((a != b) ? true : false) {
+		int c = 1;
+		int d = 2;
+		if ((a != b) ? d < c : c >= d) {
 			System.out.println("OK");
 		}
 	}

spring-javaformat/spring-javaformat-checkstyle/src/test/resources/source/TernaryInWhile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2019 the original author or authors.
+ * Copyright 2017-2022 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.
@@ -24,7 +24,9 @@ public class TernaryInWhile {
 	public void test() {
 		boolean a = true;
 		boolean b = false;
-		while ((a != b) ? true : false) {
+		int c = 1;
+		int d = 2;
+		while ((a != b) ? d < c : c >= d) {
 			System.out.println("OK");
 		}
 	}