Fix Apollo links

[lcian]

DESCRIBE YOUR PR

Now /apollo will redirect to the newest /apollo4.
Mentioned and linked to apollo2 explicitly where needed.

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[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
develop-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 7, 2025 10:06am
sentry-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 7, 2025 10:06am

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
changelog	⬜️ Ignored (Inspect)			Mar 7, 2025 10:06am

[codecov]

Bundle Report

Changes will decrease total bundle size by 15 bytes (-0.0%) ⬇️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	10.55MB	-9 bytes (-0.0%) ⬇️
sentry-docs-client-array-push	9.39MB	-6 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	868.18kB	-0.0%
static/chunks/3319-*.js	-3 bytes	393.41kB	-0.0%
static/2Pd4qAyFJsAk8f5tppqTi/_buildManifest.js (New)	578 bytes	578 bytes	100.0% 🚀
static/2Pd4qAyFJsAk8f5tppqTi/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/U_JZuIO0nVyDKKhMpb8uV/_buildManifest.js (Deleted)	-578 bytes	0 bytes	-100.0% 🗑️
static/U_JZuIO0nVyDKKhMpb8uV/_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	1.57MB	-0.0%
../instrumentation.js	-3 bytes	904.32kB	-0.0%
9523.js	-3 bytes	880.37kB	-0.0%