Add info that associating proguard files with release is optional

[buenaflor]

Currently the docs for associating proguard files with releases is not clear enough that it is optional and is not required.

Related: getsentry/sentry#82821

[vercel]

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

Name	Status	Preview	Comments	Updated (UTC)
changelog	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 24, 2025 1:37pm
develop-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 24, 2025 1:37pm
sentry-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 24, 2025 1:37pm

[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	10.67MB	-9 bytes (-0.0%) ⬇️
sentry-docs-client-array-push	9.97MB	-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	893.35kB	-0.0%
static/chunks/9212-*.js	-3 bytes	370.81kB	-0.0%
server/middleware-*.js	-5.54kB	1.01kB	-84.55%
server/middleware-*.js	5.54kB	6.55kB	547.23% ⚠️
static/EM6J6IP75gfszwIfdW5Oh/_buildManifest.js (New)	581 bytes	581 bytes	100.0% 🚀
static/EM6J6IP75gfszwIfdW5Oh/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/KsYLdJEYjqJhWTW1jufyu/_buildManifest.js (Deleted)	-581 bytes	0 bytes	-100.0% 🗑️
static/KsYLdJEYjqJhWTW1jufyu/_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 (%)
7517.js	-3 bytes	1.66MB	-0.0%
../instrumentation.js	-3 bytes	908.31kB	-0.0%
7688.js	-3 bytes	884.28kB	-0.0%

[coolguyzone]

LGTM!

[kahest]

small wording suggestions, otherwise lgtm, thanks!