gardener-controlplane-1.78.5

[gardener/gardener]

🐛 Bug Fixes

• [OPERATOR] Fixed a possibility for the migrate phase of control plane migration to become permanently stuck if the shoot was created when the MachineControllerManagerDeployment feature gate is disabled, control plane migration is triggered for the shoot and the feature gate is enabled during the migration phase. by @gardener-ci-robot [#8572]