Go back to main branch for dora

Author: SaschaSchwarze0

test/data/build_buildpacks-v3_ruby_cr.yaml

@@ -7,7 +7,7 @@ spec:
   source:
     url: https://github.com/cloudfoundry/cf-acceptance-tests
     contextDir: assets/dora
-    revision: develop
+    revision: main
   strategy:
     name: buildpacks-v3
     kind: ClusterBuildStrategy