feat(core): Support new client discard reason invalid

[chargome]

This new reason can be used when the client drops telemetry items due to failing internal validation (e.g. dropping replays that contain invalid session times)

ref #18316
depends on getsentry/snuba#7654
closes https://linear.app/getsentry/issue/FE-690/update-js-sdk-to-support-client-discard-invalid

[linear]

FE-690 Update JS-SDK to support client discard `invalid`

[github-actions]

node-overhead report 🧳

Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.

Scenario	Requests/s	% of Baseline	Prev. Requests/s	Change %
GET Baseline	8,973	-	9,154	-2%
GET With Sentry	1,707	19%	1,636	+4%
GET With Sentry (error only)	6,102	68%	6,034	+1%
POST Baseline	1,197	-	1,144	+5%
POST With Sentry	578	48%	549	+5%
POST With Sentry (error only)	1,039	87%	1,036	+0%
MYSQL Baseline	3,276	-	3,250	+1%
MYSQL With Sentry	431	13%	333	+29%
MYSQL With Sentry (error only)	2,627	80%	2,646	-1%

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