CecileRobertMichon: Update CAPZ v0.5 milestone

JobBuild
23053
07-28 20:33
pull-test-infra-bazel 1420486912711331840 1420482329071063040
pull-test-infra-integration 1420486912841355264 1420482329196892160
pull-test-infra-prow-checkconfig 1420486912807800832 1420482329159143424
pull-test-infra-verify-file-perms 1420486912740691968 1420482329096228864
pull-test-infra-yamllint 1420486912770052096 1420482329129783296