CAMEL-23250: Fix missing secret=true annotations on vault configurations

- CyberArkVaultConfiguration: mark authToken as secret
- IBMSecretsManagerVaultConfiguration: mark eventStreamUsername and
  eventStreamPassword as secret

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: gnodet

core/camel-api/src/main/java/org/apache/camel/vault/CyberArkVaultConfiguration.java

@@ -33,7 +33,7 @@ public class CyberArkVaultConfiguration extends VaultConfiguration {
     private String password;
     @Metadata(secret = true)
     private String apiKey;
-    @Metadata
+    @Metadata(secret = true)
     private String authToken;
     @Metadata
     private boolean verifySsl = true;

core/camel-api/src/main/java/org/apache/camel/vault/IBMSecretsManagerVaultConfiguration.java

@@ -35,9 +35,9 @@ public class IBMSecretsManagerVaultConfiguration extends VaultConfiguration {
     private String eventStreamTopic;
     @Metadata
     private String eventStreamBootstrapServers;
-    @Metadata
+    @Metadata(secret = true)
     private String eventStreamUsername;
-    @Metadata
+    @Metadata(secret = true)
     private String eventStreamPassword;
     @Metadata
     private String eventStreamGroupId;