Try to fix settings

Author: alitheg

.github/workflows/distribute-maven-stg.yml

@@ -72,8 +72,8 @@ jobs:
               <servers>
                 <server>
                   <id>rao3</id>
-                  <username>${env.RAO_USERNAME}</username>
-                  <password>${env.RAO_PASSWORD}</password>
+                  <username>${RAO_USERNAME}</username>
+                  <password>${RAO_PASSWORD}</password>
                   <configuration>
                     <njord.publisher>sonatype-nx3</njord.publisher>
                     <njord.publisher.sonatype-nx3.baseUrl>https://repository.apache.org:4443/</njord.publisher.sonatype-nx3.baseUrl>