Setting the scope in debian/maven.rules does not propagate the setting to
/usr/share/maven-repo/org/postgresql/postgresql/debian/postgresql-debian.pom,
so patch it manually here
Bug: #900615

--- a/pgjdbc/pom.xml
+++ b/pgjdbc/pom.xml
@@ -54,7 +54,8 @@
     <dependency>
       <groupId>com.ongres.scram</groupId>
       <artifactId>client</artifactId>
-      <version>1.0.0-beta.2</version>
+      <version>debian</version>
+      <optional>true</optional>
     </dependency>
   </dependencies>