fix(go): fix wrong redirect and typo in Go fiber docs

[lcian]

DESCRIBE YOUR PR

https://docs.sentry.io/platforms/go/fiber currently redirects to https://docs.sentry.io/platforms/go even though there is a dedicated page for Fiber. This fixes that.
Also fixes a typo in the Fiber page

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[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
develop-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 7, 2025 2:49pm
sentry-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 7, 2025 2:49pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
changelog	⬜️ Ignored (Inspect)			Feb 7, 2025 2:49pm

[codecov]

Bundle Report

Changes will decrease total bundle size by 72 bytes (-0.0%) ⬇️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	10.71MB	-9 bytes (-0.0%) ⬇️
sentry-docs-edge-server-array-push	363.96kB	-57 bytes (-0.02%) ⬇️
sentry-docs-client-array-push	9.38MB	-6 bytes (-0.0%) ⬇️

Affected Assets, Files, and Routes:

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

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	-3 bytes	1.64MB	-0.0%
../instrumentation.js	-3 bytes	968.3kB	-0.0%
9523.js	-3 bytes	944.51kB	-0.0%

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	865.95kB	-0.0%
static/chunks/7801-*.js	-3 bytes	391.02kB	-0.0%
static/rAuDa_mzLAP5KCkceOdYQ/_buildManifest.js (New)	578 bytes	578 bytes	100.0% 🚀
static/rAuDa_mzLAP5KCkceOdYQ/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/vMgNAVW2KfriTTw8MyPLr/_buildManifest.js (Deleted)	-578 bytes	0 bytes	-100.0% 🗑️
static/vMgNAVW2KfriTTw8MyPLr/_ssgManifest.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️

view changes for bundle: sentry-docs-edge-server-array-push

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
src/middleware.js	-57 bytes	204.35kB	-0.03%

[stephanie-anderson]

Thank you!