[stable/zed] Bump Cluster API driver to 0.20.0 (#1477)

This is an automated cherry-pick of #1473
/assign mnaser
diff --git a/Dockerfile b/Dockerfile
index b623571..7aeef15 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
-# Atmosphere-Rebuild-Time: 2024-05-30T20:29:01Z
+# Atmosphere-Rebuild-Time: 2024-06-28T12:14:26Z
 
 ARG RELEASE