INFRA-15789: Update to latest ASF parent pom

and verify github integration for SVN projects.
diff --git a/pom.xml b/pom.xml
index f7863a7..b004943 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>17</version>
+    <version>20</version>
   </parent>
   <dependencyManagement>
     <dependencies>