feat(scheduler-targets): add support for universal target

[sakurai-ryo]

Issue # (if applicable)

Closes #32328

Reason for this change

EventBridge Scheduler has a mechanism called Universal Target that calls a wide range of AWS APIs.
Supporting this mechanism in L2 Construct will make it easier to configure EventBridge Scheduler.
https://docs.aws.amazon.com/scheduler/latest/UserGuide/managing-targets-universal.html

Description of changes

Added AwsAPI constructs targeting AWS APIs.
Users can execute any AWS API by passing service and action to Props.

According to the following documentation, the service must be lowercase, and the action must be camelCase, so that you can validate it.
arn:aws:scheduler:::aws-sdk:service:apiAction
https://docs.aws.amazon.com/scheduler/latest/UserGuide/managing-targets-universal.html#:~:text=schedule%20to%20target.-,Arn,-%E2%80%93%20The%20complete%20service

Description of how you validated changes

Added unit tests and integration tests.

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.41%. Comparing base (24adca3) to head (450a7a9).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #32341      +/-   ##
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- Coverage   78.46%   78.41%   -0.06%     
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  Files         106      106              
  Lines        7208     7208              
  Branches     1323     1323              
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- Hits         5656     5652       -4     
- Misses       1364     1369       +5     
+ Partials      188      187       -1     

Flag	Coverage Δ
suite.unit	78.41% <ø> (-0.06%)	⬇️

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Components	Coverage Δ
packages/aws-cdk	78.41% <ø> (-0.06%)	⬇️

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 450a7a9
• Result: SUCCEEDED
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[go-to-k]

A class name of Universal might be nice to match the RFC and userguide:

https://github.com/aws/aws-cdk-rfcs/blob/main/text/0474-event-bridge-scheduler-l2.md

Universal target automatically create an IAM role if you do not specify your own IAM role. However, in comparison with templated targets, for universal targets you must grant the required IAM permissions yourself.

const target = new targets.Universal('sqs', 'CreateQueue', { input: input });

https://docs.aws.amazon.com/scheduler/latest/UserGuide/managing-targets-universal.html

A universal target is a customizable set of parameters that allow you to invoke a wider set of API operation for many AWS services.

[go-to-k]

Are there any cases where more than one action is required?

For example: S3 put with KMS key.

[go-to-k]

There may be cases where conditions are also needed...?

[go-to-k]

We can also pass an array of PolicyStatement to props.

ref: https://github.com/aws/aws-cdk/blob/v2.173.1/packages/aws-cdk-lib/aws-events-targets/lib/aws-api.ts#L64-L72

[go-to-k]

Suggested change

	* ALso, This must be in camelCase.
	* Also, This must be in camelCase.

[go-to-k]

Suggested change

	The `service` is must be in lower case and the `action` is must be in camelCase.
	The `service` must be in lower case and the `action` is must be in camelCase.