ci(mergify): upgrade configuration to current format

[mergify]

Hey there! 👋

We've noticed that your Mergify configuration is using some deprecated fields.

No worries—we've got your back! This automated PR updates your config to align with the newest standards, ensuring everything keeps running smoothly.

Do not procrastinate! You must upgrade your configuration before 2025-06-30, otherwise your configuration will stop working.

What's Changed?

• The implicit priority for the queue rules, that was based on their order, is going to be removed in favor of using priority_rules.
  This transformation aim to create priority rules, based on your existing queue rules, in order to keep the same priorities. If this priority change is not needed for you, you should not close this pull request until the deadline, otherwise it will be re-created again. (deadline: 2025-06-30)

Why This Matters

Keeping your configuration up-to-date means you'll benefit from the latest features and improvements Mergify has to offer. Plus, it helps prevent any unexpected hiccups down the road.

Got Questions? We've Got Answers! 🙌

Is this update safe to merge?

Absolutely! We've made sure the changes are compatible with your current setup. Your workflows should continue to work just as before—if not better!

Do I need to do anything special after merging?

Nope! Just merge this PR, and you're all set. If you have any custom configurations, it's a good idea to give them a quick look to ensure everything's in order.

What if I run into issues or have concerns?

We're here to help! Feel free to reach out to our support team anytime.

Thanks for being awesome and keeping your configuration up-to-date! If you have any thoughts or need a hand, don't hesitate to let us know.

Happy merging! 🎉

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.39%. Comparing base (a67c3f5) to head (ea10489).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #33971   +/-   ##
=======================================
  Coverage   82.39%   82.39%           
=======================================
  Files         120      120           
  Lines        6960     6960           
  Branches     1175     1175           
=======================================
  Hits         5735     5735           
  Misses       1120     1120           
  Partials      105      105           

Flag	Coverage Δ
suite.unit	82.39% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
packages/aws-cdk	∅ <ø> (∅)
packages/aws-cdk-lib/core	82.39% <ø> (ø)

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[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: ea10489
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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