Update to nimbus-jose-jwt:6.3

Fixes: gh-6095

gradle/dependency-management.gradle

@@ -54,7 +54,7 @@ dependencyManagement {
 		dependency 'com.google.guava:guava:20.0'
 		dependency 'com.google.inject:guice:3.0'
 		dependency 'com.nimbusds:lang-tag:1.4.3'
-		dependency 'com.nimbusds:nimbus-jose-jwt:6.0.2'
+		dependency 'com.nimbusds:nimbus-jose-jwt:6.3'
 		dependency 'com.nimbusds:oauth2-oidc-sdk:6.2'
 		dependency 'com.squareup.okhttp3:okhttp:3.12.0'
 		dependency 'com.squareup.okio:okio:1.13.0'