Fill in since annotations (jenkinsci#25923)

Co-authored-by: timja <21194782+timja@users.noreply.github.com>
Co-authored-by: Mark Waite <mark.earl.waite@gmail.com>

Author: 3 people

core/src/main/java/hudson/model/BuildAuthorizationToken.java

@@ -73,7 +73,7 @@ public BuildAuthorizationToken(String token) {
     }
 
     /**
-     * @since TODO
+     * @since 2.541
      */
     public BuildAuthorizationToken(Secret token) {
         this.token = token;
@@ -143,7 +143,7 @@ public String getToken() {
     }
 
     /**
-     * @since TODO
+     * @since 2.541
      */
     public Secret getEncryptedToken() {
         return token;