3.18.0

[garden-setup]

✨ New Features

• [OPERATOR] Upgrade supported sow version to 3.4.0 (gardener/garden-setup#634, @Diaphteiros)
• [OPERATOR] Upgrade Gardener to v1.33.1 (gardener/garden-setup#634, @Diaphteiros)

🐛 Bug Fixes

• [OPERATOR] Remove obsolete feature gate from Azure seed config (gardener/garden-setup#634, @Diaphteiros)
• [OPERATOR] A bug in the propagation of componentImageVectorOverwrites has been fixed. (gardener/garden-setup#626, @Diaphteiros)

🏃 Others

• [OPERATOR] Upgrade Gardener dashboard to v1.52.2 (gardener/garden-setup#634, @Diaphteiros)
• [OPERATOR] Upgrade Gardener extension provider-openstack to v1.22.0 (gardener/garden-setup#634, @Diaphteiros)
• [OPERATOR] The length restriction for shooted seeds' names has been adapted (from 10 to 15 characters). (gardener/garden-setup#626, @Diaphteiros)