chore(deps): update dependency postcss to v8.5.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
postcss (source)	8.5.6 → 8.5.8

---

Release Notes

postcss/postcss (postcss)

v8.5.8

Compare Source

• Fixed Processor#version.

v8.5.7

Compare Source

• Improved source map annotation cleaning performance (by CodeAnt AI).

---

Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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---

• If you want to rebase/retry this PR, check this box

---

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[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
react-email	Ready	Preview, Comment	Apr 1, 2026 4:45pm
react-email-demo	Ready	Preview, Comment	Apr 1, 2026 4:45pm
react-email-examples	Ready	Preview, Comment	Apr 1, 2026 4:45pm

[changeset-bot]

⚠️ No Changeset found

Latest commit: 93ee45d

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	@​types/​nodemailer@​6.4.23
	@​plunk/​node@​3.0.3
	@​sendgrid/​mail@​7.7.0
	postmark@​3.11.0
	mailersend@​2.7.0
	nodemailer@​8.0.4
	@​aws-sdk/​client-ses@​3.1021.0

View full report

[cubic-dev-ai]

No issues found across 3 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/@react-email/preview-server@3011

commit: 44647b1

[socket-security]

All alerts resolved. Learn more about Socket for GitHub.

This PR previously contained dependency changes with security issues that have been resolved, removed, or ignored.

View full report