Bump rest-assured from 4.3.0 to 4.3.1 in /plugins/maven/example-client (#224)

Bumps [rest-assured](https://github.com/jayway/rest-assured) from 4.3.0 to 4.3.1.
- [Release notes](https://github.com/jayway/rest-assured/releases)
- [Changelog](https://github.com/rest-assured/rest-assured/blob/master/changelog.txt)
- [Commits](rest-assured/rest-assured@rest-assured-4.3.0...rest-assured-4.3.1)

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Author: dependabot[bot]

plugins/maven/example-client/pom.xml

@@ -140,7 +140,7 @@
         <dependency>
             <groupId>io.rest-assured</groupId>
             <artifactId>rest-assured</artifactId>
-            <version>4.3.0</version>
+            <version>4.3.1</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>