Upgrade Nimbus dependencies

- Nimbus JOSE + JWT 5.1
- Nimbus OAuth + OIDC SDK 5.36

Fixes gh-4547

gradle/dependency-management.gradle

@@ -52,8 +52,8 @@ 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:4.34.1'
-		dependency 'com.nimbusds:oauth2-oidc-sdk:5.21'
+		dependency 'com.nimbusds:nimbus-jose-jwt:5.1'
+		dependency 'com.nimbusds:oauth2-oidc-sdk:5.36'
 		dependency 'com.squareup.okhttp3:okhttp:3.8.1'
 		dependency 'com.squareup.okio:okio:1.13.0'
 		dependency 'com.vaadin.external.google:android-json:0.0.20131108.vaadin1'