DK Portal: Add Platform Flow annotation to: checkout-summary (PEXP-1348)

[evertonstrack]

No description provided.

[vtex-io-ci-cd]

Hi! I'm VTEX IO CI/CD Bot and I'll be helping you to publish your app! 🤖

Please select which version do you want to release:

• Patch (backwards-compatible bug fixes)

• Minor (backwards-compatible functionality)

• Major (incompatible API changes)

And then you just need to merge your PR when you are ready! There is no need to create a release commit/tag.

• No thanks, I would rather do it manually 😞

[vtex-io-docs-bot]

Beep boop 🤖

I noticed you didn't make any changes at the docs/ folder

• There's nothing new to document 🤔
• I'll do it later 😞

In order to keep track, I'll create an issue if you decide now is not a good time

• I just updated 🎉🎉

[github-actions]

	Fails
🚫	📝 Please add a description to your PR.
🚫	We follow keepachangelog standards. Please, change the file CHANGELOG.md adding a small summary of your changes under the [Unreleased] section. Example: ## [Unreleased] + ### Fixed + - Issue with image sizing in the SKU Selector. Possible types of changes: Added for new features. Changed for changes in existing functionality. Deprecated for soon-to-be removed features. Removed for now removed features. Fixed for any bug fixes. Security in case of vulnerabilities.

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