Upgrade Java-JWT to v 3.8.3

Author: KarstenSchnitter

cf-java-logging-support-servlet/pom.xml

@@ -62,7 +62,7 @@
 		<dependency>
 			<groupId>com.auth0</groupId>
 			<artifactId>java-jwt</artifactId>
-			<version>3.8.1</version>
+			<version>3.8.3</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>