feat(python): Add a note about the Event and Hint types

[sentrivana]

DESCRIBE YOUR PR

We can do a better job being more clear about the Event and Hint types that are handy for callbacks like before_send, see getsentry/sentry-python#4122.

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SLA

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  Thanks in advance for your help!

PRE-MERGE CHECKLIST

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• Checked Vercel preview for correctness, including links
• PR was reviewed and approved by any necessary SMEs (subject matter experts)
• PR was reviewed and approved by a member of the Sentry docs team

LEGAL BOILERPLATE

Look, I get it. The entity doing business as "Sentry" was incorporated in the State of Delaware in 2015 as Functional Software, Inc. and is gonna need some rights from me in order to utilize my contributions in this here PR. So here's the deal: I retain all rights, title and interest in and to my contributions, and by keeping this boilerplate intact I confirm that Sentry can use, modify, copy, and redistribute my contributions, under Sentry's choice of terms.

EXTRA RESOURCES

• Sentry Docs contributor guide

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[coolguyzone]

LGTM!

[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	10.53MB	-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	868.16kB	-0.0%
static/chunks/3319-*.js	-3 bytes	393.41kB	-0.0%
static/MKXHNuvUHWJIYA9trj_zv/_buildManifest.js (New)	578 bytes	578 bytes	100.0% 🚀
static/MKXHNuvUHWJIYA9trj_zv/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/XY7or7GbPDoFLHB89C6n0/_buildManifest.js (Deleted)	-578 bytes	0 bytes	-100.0% 🗑️
static/XY7or7GbPDoFLHB89C6n0/_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%