feat: logging resource deletion

[prometherion]

Closes #29.

Output presented in the logs with the following changes.

1.6575292343504794e+09  INFO    controller.tenantcontrolplane   marked for deletion, performing clean-up        {"reconciler group": "kamaji.clastix.io", "reconciler kind": "TenantControlPlane", "name": "test", "namespace": "default"}
1.6575292343881516e+09  INFO    controller.tenantcontrolplane   removing finalizer      {"reconciler group": "kamaji.clastix.io", "reconciler kind": "TenantControlPlane", "name": "test", "namespace": "default"}
1.6575292343985453e+09  INFO    controller.tenantcontrolplane   resource has completed clean-up {"reconciler group": "kamaji.clastix.io", "reconciler kind": "TenantControlPlane", "name": "test", "namespace": "default"}