Blog: update banner to mention security release

[RafaelGSS]

I missed this on https://github.com/nodejs/nodejs.org/pull/6863

cc: @mhdawson

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

Name	Status	Preview	Updated (UTC)
nodejs-org	✅ Ready (Inspect)	Visit Preview	Jun 26, 2024 2:10pm

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Lighthouse Results URL	Performance	Accessibility	Best Practices	SEO	Report
/en	🟢 97	🟢 100	🟢 100	🟢 91	🔗
/en/about	🟢 97	🟢 100	🟢 100	🟢 91	🔗
/en/about/previous-releases	🟢 98	🟢 100	🟢 100	🟢 92	🔗
/en/download	🟢 99	🟢 100	🟢 100	🟢 91	🔗
/en/blog	🟢 98	🟢 100	🟢 100	🟢 92	🔗

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Unit Test Coverage Report

Lines	Statements	Branches	Functions
	90.67% (593/654)	76.08% (175/230)	94.57% (122/129)

Unit Test Report

Tests	Skipped	Failures	Errors	Time
131	0 :zzz:	0 :x:	0 :fire:	5.377s :stopwatch: