tests/azure: update dependencies

- github.com/Azure/azure-event-hubs-go/v3 to v3.3.20
- github.com/fluxcd/helm-controller/api to v0.27.0
- github.com/fluxcd/image-automation-controller/api to v0.27.0
- github.com/fluxcd/image-reflector-controller/api to v0.23.0
- github.com/fluxcd/kustomize-controller/api to v0.31.0
- github.com/fluxcd/notification-controller/api to v0.29.0
- github.com/fluxcd/pkg/apis/meta to v0.18.0
- github.com/fluxcd/pkg/runtime to v0.24.0
- github.com/fluxcd/source-controller/api to v0.32.1
- github.com/stretchr/testify to v1.8.1
- k8s.io/api to v0.25.4
- k8s.io/apimachinery to v0.25.4
- k8s.io/client-go to v0.25.4
- sigs.k8s.io/controller-runtime to v0.13.1

Signed-off-by: Hidde Beydals <hello@hidde.co>