tests/azure: update toolkit components

- helm-controller to v0.18.1
  https://github.com/fluxcd/helm-controller/blob/v0.18.1/CHANGELOG.md
- source-controller to v0.22.2
  https://github.com/fluxcd/source-controller/blob/v0.22.2/CHANGELOG.md
- notification-controller to v0.23.1
  https://github.com/fluxcd/notification-controller/blob/v0.23.1/CHANGELOG.md
- image-reflector-controller to v0.17.1
  https://github.com/fluxcd/image-reflector-controller/blob/v0.17.1/CHANGELOG.md
- image-automation-controller to v0.21.1
  https://github.com/fluxcd/image-automation-controller/blob/v0.21.1/CHANGELOG.md



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