Update to nimbus-jose-jwt 9.1.3

Closes gh-232

gradle/dependency-management.gradle

@@ -26,7 +26,7 @@ dependencyManagement {
 
 	dependencies {
 		dependency "com.nimbusds:oauth2-oidc-sdk:8.23.1"
-		dependency "com.nimbusds:nimbus-jose-jwt:latest.release"
+		dependency "com.nimbusds:nimbus-jose-jwt:9.1.3"
 		dependency "javax.servlet:javax.servlet-api:4.+"
 		dependency 'junit:junit:latest.release'
 		dependency 'org.assertj:assertj-core:latest.release'