[CMSP-967] Release Note for Pantheon MU Plugin 1.3.4

[jazzsequence]

Summary

Release Notes - Adds release note for Pantheon MU Plugin 1.3.4 which will be released after pantheon-systems/pantheon-mu-plugin#35 is merged.

Remaining Work and Prerequisites

• Release Pantheon MU Plugin 1.3.4

Dependencies and Timing

• [CMSP-967] Remove font_dir filter pantheon-mu-plugin#35 is merged and a new release is created

Release:

• When ready
• After date: $DATE

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Post Launch

Do not remove - To be completed by the docs team upon merge:

• Redirect /old-path/ => /new-path/ (if applicable)
• Include/exclude pages ^ respectively within docs search service provider (if applicable)
• For Heroes - add a props post to the discussion board.
• Remove from the project board

[pantheon-decoupled]

⚡ Deployed with Pantheon Decoupled

This build was successfully deployed with Pantheon. You can track the build logs here.

👀 Preview: https://pr-8909-documentation.appa.pantheon.site
🛠️ Manage in Pantheon: https://dashboard.pantheon.io/site/2b30153f-e8b1-4427-b076-6109e704ba5d/overview