Bump github.com/cdk8s-team/cdk8s-core-go/cdk8s/v2 from 2.7.5 to 2.69.28 in /lib

Bump github.com/cdk8s-team/cdk8s-core-go/cdk8s/v2 from 2.7.5 to 2.69.28 in /lib #808