[CMSP-953] release note announcing php 8.3 recommendation

[scottbuscemi]

Closes #

Summary

Release Note announcing PHP 8.3 recommendation

Effect

The following changes are already committed:

Remaining Work and Prerequisites

The following changes still need to be completed:

• List any outstanding work here

Dependencies and Timing

• Other prerequisites that must be completed before merging this PR

Release:

• When ready
• EOD 4/24

---

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)

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[scottbuscemi]

@rachelwhitton Ready for merging :)

[stevector]

Thanks @scottbuscemi!

I think the suggested action should be sooner in the note.

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[scottbuscemi]

Ready for a fresh review :)

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