chore(deps): bump github.com/stackitcloud/stackit-sdk-go/services/sqlserverflex from 1.4.3 to 1.5.0

chore(deps): bump github.com/stackitcloud/stackit-sdk-go/services/sqlserverflex from 1.4.3 to 1.5.0 #4267