cdk 2.91.0 on Node.js Yarn

cdk: cdk diff --quiet suppresses progress messages (#26652) (5777c88), closes #26526 #26526
core: Fn.findInMap supports default value (#26543) (8526feb), closes #26125
rds: support aurora mysql 3.04.0 (#26651) (6de3344)
update AWS Service Spec (#26658) (d865d6c)

apigateway: allowedOrigins are incorrectly interpreted as regexes (#26648) (cc52e2d), closes #26623
lambda: Lambda Insights Layer ARN 1.0.229 in us-west-1 on ARM64 incorrect (#26626) (dabf868), closes /docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Lambda-Insights-extension-versionsARM.html#Lambda-Insights-extension-ARM-1 #26615
rds: grantConnect fails to deploy when no user is specified for instances with secret credentials (#26647) (112b861), closes #26603
sam: CfnFunction events are not rendered (#26679) (305a9cc), closes #26637
triggers: executed on update even when executeOnHandlerChange is false (#26676) (ed3aaf7), closes #25939
broken cross-region reference in aws-route53 (#26666) (ec61b09)

Alpha modules (2.91.0-alpha.0)

appconfig: L2 constructs (#26639) (e479bd4)
glue: Job construct does not honor SparkUIProps S3 prefix when granting S3 access (#26696) (42250f1), closes #19862

glue: synth time validation does not work in Python/Java/C#/Go (#26650) (dba8cf3), closes #26620