feat(ecs): throw ValidationErrors instead of untyped errors

[mrgrain]

Issue

Relates to #32569

Reason for this change

untyped Errors are not recommended

Description of changes

ValidationErrors everywhere

Describe any new or updated permissions being added

None

Description of how you validated changes

Existing tests. Exemptions granted as this is a refactor of existing code.

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

[aws-cdk-automation]

(This review is outdated)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.10%. Comparing base (bc7c4e8) to head (2cc3b46).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #34427   +/-   ##
=======================================
  Coverage   84.10%   84.10%           
=======================================
  Files         124      124           
  Lines        7009     7009           
  Branches     1176     1176           
=======================================
  Hits         5895     5895           
  Misses       1003     1003           
  Partials      111      111           

Flag	Coverage Δ
suite.unit	84.10% <ø> (ø)

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Components	Coverage Δ
packages/aws-cdk	∅ <ø> (∅)
packages/aws-cdk-lib/core	84.10% <ø> (ø)

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✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

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Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[mergify]

This pull request has been removed from the queue for the following reason: pull request dequeued.

Pull request #34427 has been dequeued. The pull request rule doesn't match anymore.

You should look at the reason for the failure and decide if the pull request needs to be fixed or if you want to requeue it.
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[mrgrain]

@Mergifyio requeue

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requeue

✅ The queue state of this pull request has been cleaned. It can be re-embarked automatically

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[mergify]

This pull request has been removed from the queue for the following reason: pull request dequeued.

Pull request #34427 has been dequeued. The pull request rule doesn't match anymore.

You should look at the reason for the failure and decide if the pull request needs to be fixed or if you want to requeue it.
If you do update this pull request, it will automatically be requeued once the queue conditions match again.
If you think this was a flaky issue instead, you can requeue the pull request, without updating it, by posting a @mergifyio requeue comment.

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 2cc3b46
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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