chore(demo-mode): change sandbox link

[obostjancic]

• Part of https://github.com/getsentry/projects/issues/87
• Changes the sandbox link to point to the new sandbox available at: https://sandbox.sentry.io/
• Will be merged after the new sandbox is publicly available

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
develop-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 24, 2025 0:29am
sentry-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 24, 2025 0:29am

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
changelog	⬜️ Ignored (Inspect)	Visit Preview		Feb 24, 2025 0:29am

[codecov]

Bundle Report

Changes will decrease total bundle size by 28 bytes (-0.0%) ⬇️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	10.95MB	-22 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	865.35kB	-0.0%
static/chunks/1298-*.js	-3 bytes	401.61kB	-0.0%
static/Ao_uOQgKDMYVHkn9f7ey5/_buildManifest.js (New)	578 bytes	578 bytes	100.0% 🚀
static/Ao_uOQgKDMYVHkn9f7ey5/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/M94h-*.js (Deleted)	-578 bytes	0 bytes	-100.0% 🗑️
static/M94h-*.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	1.71MB	-0.0%
../instrumentation.js	-3 bytes	1.04MB	-0.0%
9523.js	-3 bytes	1.02MB	-0.0%
../app/[[...path]]/page.js	-13 bytes	529.38kB	-0.0%

Files in ../app/[[...path]]/page.js:

• ./src/components/sandboxLink.tsx → Total Size: 2.66kB

App Routes Affected:

App Route	Size Change	Total Size	Change (%)
/[[...path]]	-13 bytes	3.08MB	-0.0%

[coolguyzone]

The changes looks good @obostjancic , before merging would you mind adding a quick description to this PR explaining the reason for the change?