feat(node-core): Remove experimental note from winston api

[AbhiPrasad]

Logs are GA now, so we can remove this note from the createSentryWinstonTransport method.

[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	8,990	-	9,405	-4%
GET With Sentry	1,348	15%	1,244	+8%
GET With Sentry (error only)	6,122	68%	6,082	+1%
POST Baseline	1,219	-	1,194	+2%
POST With Sentry	541	44%	496	+9%
POST With Sentry (error only)	1,076	88%	1,061	+1%
MYSQL Baseline	3,355	-	3,356	-0%
MYSQL With Sentry	493	15%	410	+20%
MYSQL With Sentry (error only)	2,734	81%	2,703	+1%

View base workflow run