[Email Security] Add M365 journaling setup

[Maddy-Cloudflare]

No description provided.

[hyperlint-ai]

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PR Change Summary

Updated Microsoft 365 journaling deployment instructions and added new sections for journaling and geographic locations.

• Added sections for journaling and geographic locations in the Microsoft 365 setup documentation.
• Updated instructions for enabling Microsoft 365 journaling deployment.

Modified Files

• src/content/docs/cloudflare-one/email-security/setup/post-delivery-deployment/bcc-journaling/journaling-setup/m365-journaling.mdx

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[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/docs/cloudflare-one/	@ranbel, @cloudflare/pcx-technical-writing
*	@cloudflare/pcx-technical-writing

[github-actions]

Preview URL: https://6969fee9.preview.developers.cloudflare.com
Preview Branch URL: https://maddy-email-security-pcx-18012.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/cloudflare-one/email-security/setup/post-delivery-deployment/bcc-journaling/journaling-setup/m365-journaling/	https://maddy-email-security-pcx-18012.preview.developers.cloudflare.com/cloudflare-one/email-security/setup/post-delivery-deployment/bcc-journaling/journaling-setup/m365-journaling/
https://developers.cloudflare.com/cloudflare-one/email-security/reference/m365-gcc/	https://maddy-email-security-pcx-18012.preview.developers.cloudflare.com/cloudflare-one/email-security/reference/m365-gcc/

[Maddy-Cloudflare]

Closing this PR as there's a dependency on the eng team to complete work on regional addresses.