fix(MS Teams): update installation instructions

[ameliahsu]

updated installation instructions to match new MS Teams UI

see changes in deploy preview here

fixes https://linear.app/getsentry/issue/RTC-764/update-docs-new-teams-integration-flow-doesnt-send-me-a-channel-pop-up

[linear]

RTC-764 Update docs - New Teams integration flow doesn't send me a channel pop up message to link the channel

[vercel]

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

Project	Deployment	Preview	Comments	Updated (UTC)
sentry-docs	Ready	Preview	Comment	Aug 25, 2025 9:13pm

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
develop-docs	Ignored	Preview		Aug 25, 2025 9:13pm

[codecov]

Bundle Report

Changes will increase total bundle size by 4.13kB (0.02%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-client-array-push	9.9MB	-6 bytes (-0.0%) ⬇️
sentry-docs-server-cjs	12.48MB	4.13kB (0.03%) ⬆️

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%
static/ki08sk-*.js (New)	77 bytes	77 bytes	100.0% 🚀
static/ki08sk-*.js (New)	684 bytes	684 bytes	100.0% 🚀
static/6y2qswA9WxaNoLo19JUcC/_buildManifest.js (Deleted)	-684 bytes	0 bytes	-100.0% 🗑️
static/6y2qswA9WxaNoLo19JUcC/_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	1.38kB	764.94kB	0.18%
../app/platform-redirect/page.js.nft.json	1.38kB	764.85kB	0.18%
../app/sitemap.xml/route.js.nft.json	1.38kB	762.33kB	0.18%