Merge pull request #327 from jmtd/README-ubi8-branch

README: links to ubi9 images, ubi8 branch

Author: jmtd

README.adoc

@@ -6,12 +6,17 @@ These are the OpenJDK Source to Image (S2I) images for Red Hat OpenShift.
 
 ### From https://access.redhat.com/containers/[Red Hat Container Catalog]
 
+ * link:https://catalog.redhat.com/software/containers/ubi9/openjdk-11/61ee7bafed74b2ffb22b07ab[ubi9/openjdk-11]
+ * link:https://catalog.redhat.com/software/containers/ubi9/openjdk-17/61ee7c26ed74b2ffb22b07f6[ubi9/openjdk-17]
+ * link:https://catalog.redhat.com/software/containers/ubi9/openjdk-11-runtime/61ee7d1c33f211c45407a91c[ubi9/openjdk-11-runtime]
+ * link:https://catalog.redhat.com/software/containers/ubi9/openjdk-17-runtime/61ee7d45384a3eb331996bee[ubi9/openjdk-17-runtime]
+
 The UBI9-based OpenJDK images are available under the terms of the
 link:https://www.redhat.com/en/about/red-hat-end-user-license-agreements#UBI[UBI EULA].
 
  * (GA catalog URIs go here)
 
-Older RHEL8 and RHEL7-based image sources are in the `develop` branch.
+Older RHEL7 and RHEL8-based image sources are in the `rhel7` and `ubi8` branches respectively.
 
 ## How to build the images