Update ports.md

[dereklangMSFT]

Clarified that all port requirements are bi-directional and the arrows are only meant to indicate which side initiated the communication

[prmerger-automator[bot]]

@dereklangMSFT : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod[bot]]

Learn Build status updates of commit 3168c0d:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
memdocs/configmgr/core/plan-design/hierarchy/ports.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[v-smandalika]

Hi,

This PR has been open for an extended period of time and has conflicts. If these changes are still relevant, please re-submit them to https://github.com/MicrosoftDocs/memdocs-pr.

Thanks, @v-smandalika

[learn-build-service-prod[bot]]

Learn Build status updates of commit 3168c0d:

:x: Validation status: errors

Please follow instructions here which may help to resolve issue.

File	Status	Preview URL	Details
	:x:Error		Details

• [Error: CannotMergeCommit] Cannot merge commit 3168c0d281cfffefabd79b0b1572de85fc3840df in branch patch-13 of repository https://github.com/dereklangMSFT/memdocs into branch main (commit cc00b881585b05978a5f32576cd24b00ce94a830). Please follow this documentation: https://help.github.com/articles/resolving-a-merge-conflict-using-the-command-line/ to use git.exe to resolve you content conflicts locally and then push to remote.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.