Rahul-D78: Upgrade job should upgrade from 1.20

JobBuild
1557
07-26 18:51
pull-cluster-api-provider-azure-apidiff 1419783274468741120 1419732185346215936
pull-cluster-api-provider-azure-build 1419783274145779712 1419732185191026688
pull-cluster-api-provider-azure-capi-e2e 1420072480650825728 1419783969469108224 1419737490339663872
pull-cluster-api-provider-azure-coverage 1419783274540044288 1419732185392353280
pull-cluster-api-provider-azure-e2e 1420072480566939648 1419783274221277184 1419732185232969728
pull-cluster-api-provider-azure-e2e-windows 1420072480617271296 1419783274305163264 1419732185270718464
pull-cluster-api-provider-azure-test 1419783274087059456 1419732185161666560
pull-cluster-api-provider-azure-verify 1419783274389049344 1419732185308467200