2.6.0

[garden-setup]

Most notable changes

• [OPERATOR] Upgrade Gardener to v1.11.3 (#314, @gardener-robot-ci-2)

Improvements

• [OPERATOR] Make ttl of dns entries configurable (#317, @schrodit)
• [OPERATOR] Upgrade Gardener extension shoot-cert-service to v1.9.1 (#314, @gardener-robot-ci-2)
• [OPERATOR] Upgrade Gardener extension shoot-dns-service to v1.8.0 (#314, @gardener-robot-ci-2)
• [OPERATOR] Upgrade Gardener extension os-ubuntu to v1.8.0 (#314, @gardener-robot-ci-2)
• [OPERATOR] Upgrade Gardener extension provider-openstack to v1.12.0 (#314, @gardener-robot-ci-2)
• [OPERATOR] Upgrade Gardener extension provider-aws to v1.16.0 (#314, @gardener-robot-ci-2)
• [OPERATOR] Upgrade Gardener extension provider-gcp to v1.12.0 (#314, @gardener-robot-ci-2)
• [OPERATOR] Upgrade Gardener extension provider-azure to v1.14.0 (#314, @gardener-robot-ci-2)
• [OPERATOR] Upgrade Gardener extension dns-external to v0.7.20 (#314, @gardener-robot-ci-2)
• [OPERATOR] modify seed settings via acre.yaml (#313, @hassbert)
• [OPERATOR] add annotations to the the ingress controller load balancer service via acre.yaml (#312, @hassbert)
• [OPERATOR] Add possibility to configure nodeVolumeAttachLimit for openstack in acre.yaml. (#311, @dergeberl)