cdk 2.39.0 on Node.js Yarn

aws-cloudwatch: add support for sparkline graphs in SingleValueWidget (#21684) (cf5d115), closes #21683
certificatemanager: Allow opting out of transparency logging (#21686) (85b6db0)
cfnspec: cloudformation spec v85.0.0 (#21679) (1a560b0)
cli: re-introduce --concurrency option (#21681) (f001f7e), closes #20345 #21664 #21663 #21598 #21663
cloudtrail: add configuration for IsOrganizationTrail (#21625) (f5a1057), closes #21578
ecr-assets: expose property imageTag separately from imageUri in ECR assets (#21582) (5f32e0f)

autoscaling: error not thrown when associatePublicIpAddress is set to false when specifying launchTemplate (#21714) (da61adc), closes #21576
cli: build assets before deploying any stacks (#21513) (5cc0d35), closes #21511
cli: CLI hangs for 10 minutes on expired credentials (#21052) (1e305e6)
cli: ECS hotswap breaks Firelens configuration (#21748) (3d22f70), closes #21692
cli: empty non top-level stack does not get deleted (#21624) (a6757b0), closes /github.com/aws/aws-cdk/blob/92d6d58029595735df6902db5f820b1182dfb27b/packages/aws-cdk/lib/api/cxapp/cloud-assembly.ts#L138 /github.com/aws/aws-cdk/blob/92d6d58029595735df6902db5f820b1182dfb27b/packages/aws-cdk/test/integ/cli/cli.integtest.ts#L685 #20822 #20822
codebuild: ReportGroup missing test permissions when set to CODE_COVERAGE (#21656) (17a4989), closes #21534
core: feature flag values should be booleans (#21759) (daf885f), closes aws-cdk/aws-lambda/lib/function.ts#L1306
ec2: Internet connectivity not established for private subnets (#21495) (5b1488d), closes #21348

Alpha modules (2.39.0-alpha.0)

servicecatalogappregistry: add sharing of applications and attribute groups (#20850) (cf3bb6e)

aws-batch: Support omitting ComputeEnvironment security groups so that they can be specified in Launch Template (#21579) (33b00dd), closes #21577
integ-runner: ignoring asset changes doesn't work with new style assets (#21638) (7857f55)
integ-tests: assertions stack not deployed on v2 (#21646) (ee1b66d), closes #21639