feat(ruby): Prepare docs for 6.0 major

[sl0thentr0py]

DESCRIBE YOUR PR

To be merged as soon as 6.0 is released.
getsentry/sentry-ruby#2352

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PRE-MERGE CHECKLIST

Make sure you've checked the following before merging your changes:

• Checked Vercel preview for correctness, including links
• PR was reviewed and approved by any necessary SMEs (subject matter experts)
• PR was reviewed and approved by a member of the Sentry docs team

[linear]

RUBY-6 ActiveStorage subscriber can leak potential sensitive/pii fields

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
sentry-docs	Ready	Preview	Comment	Oct 16, 2025 1:42pm

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
develop-docs	Ignored			Oct 16, 2025 1:42pm

[codecov]

Bundle Report

Changes will increase total bundle size by 213 bytes (0.0%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-client-array-push	10.16MB	-6 bytes (-0.0%) ⬇️
sentry-docs-server-cjs	12.98MB	219 bytes (0.0%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: sentry-docs-client-array-push

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
static/chunks/pages/_app-*.js	-3 bytes	882.71kB	-0.0%
static/chunks/8321-*.js	-3 bytes	425.87kB	-0.0%
server/middleware-*.js	-6.46kB	1.0kB	-86.59%
server/middleware-*.js	6.46kB	7.46kB	645.5% ⚠️
static/dsxT2ipDohfFlc9u2XJAG/_buildManifest.js (New)	684 bytes	684 bytes	100.0% 🚀
static/dsxT2ipDohfFlc9u2XJAG/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/Uke69rePRR264WwW6tHoz/_buildManifest.js (Deleted)	-684 bytes	0 bytes	-100.0% 🗑️
static/Uke69rePRR264WwW6tHoz/_ssgManifest.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️

view changes for bundle: sentry-docs-server-cjs

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	-3 bytes	1.78MB	-0.0%
../instrumentation.js	-3 bytes	1.1MB	-0.0%
9523.js	-3 bytes	1.08MB	-0.0%
../app/[[...path]]/page.js.nft.json	76 bytes	858.46kB	0.01%
../app/platform-redirect/page.js.nft.json	76 bytes	858.37kB	0.01%
../app/sitemap.xml/route.js.nft.json	76 bytes	855.6kB	0.01%