Upgrade to AssertJ 3.23.1.

Author: jxblum

gradle.properties

@@ -1,6 +1,6 @@
 antlrVersion=2.7.7
 apacheGeodeVersion=1.14.4
-assertjVersion=3.22.0
+assertjVersion=3.23.1
 findbugsVersion=3.0.2
 junitVersion=4.13.2
 lombokVersion=1.18.24

pom.xml

@@ -80,7 +80,7 @@
 		<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<apache-geode.version>1.14.4</apache-geode.version>
-		<assertj.version>3.22.0</assertj.version>
+		<assertj.version>3.23.1</assertj.version>
 		<junit.version>4.13.2</junit.version>
 		<log4j.version>2.17.2</log4j.version>
 		<logback.version>1.2.11</logback.version>