ref(core): Optimize Scope.setTag bundle size and adjust test

[Lms24]

This PR follows up from #18167:

1. reduce bundle size slightly by optimizing setTag (+ adding some more tests around setTag(s))
2. adjust the integration test that previously demonstrated a "bug" which we no longer classify as a bug but a "known spec violation" (until someone complains 😅). See fix(core): Ignore non-primitive values passed to setTag(s) #18167 (review) and fix(core): Ignore non-primitive values passed to setTag(s) #18167 (comment) for more context.

[github-actions]

size-limit report 📦

Path	Size	% Change	Change
@sentry/browser	24.6 kB	+0.02%	+4 B 🔺
@sentry/browser - with treeshaking flags	23.09 kB	+0.02%	+3 B 🔺
@sentry/browser (incl. Tracing)	41.24 kB	+0.01%	+3 B 🔺
@sentry/browser (incl. Tracing, Profiling)	45.51 kB	+0.01%	+3 B 🔺
@sentry/browser (incl. Tracing, Replay)	79.71 kB	+0.01%	+4 B 🔺
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	69.38 kB	+0.01%	+2 B 🔺
@sentry/browser (incl. Tracing, Replay with Canvas)	84.4 kB	+0.01%	+4 B 🔺
@sentry/browser (incl. Tracing, Replay, Feedback)	96.57 kB	-0.01%	-1 B 🔽
@sentry/browser (incl. Feedback)	41.28 kB	+0.02%	+5 B 🔺
@sentry/browser (incl. sendFeedback)	29.27 kB	+0.02%	+4 B 🔺
@sentry/browser (incl. FeedbackAsync)	34.2 kB	+0.02%	+5 B 🔺
@sentry/react	26.29 kB	+0.02%	+4 B 🔺
@sentry/react (incl. Tracing)	43.2 kB	-	-
@sentry/vue	29.08 kB	+0.02%	+3 B 🔺
@sentry/vue (incl. Tracing)	43.01 kB	+0.01%	+4 B 🔺
@sentry/svelte	24.61 kB	+0.02%	+3 B 🔺
CDN Bundle	26.9 kB	+0.02%	+3 B 🔺
CDN Bundle (incl. Tracing)	41.79 kB	+0.01%	+4 B 🔺
CDN Bundle (incl. Tracing, Replay)	78.31 kB	+0.01%	+5 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback)	83.78 kB	+0.01%	+5 B 🔺
CDN Bundle - uncompressed	78.84 kB	-0.03%	-17 B 🔽
CDN Bundle (incl. Tracing) - uncompressed	123.94 kB	-0.02%	-17 B 🔽
CDN Bundle (incl. Tracing, Replay) - uncompressed	239.98 kB	-0.01%	-17 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	252.74 kB	-0.01%	-17 B 🔽
@sentry/nextjs (client)	45.32 kB	+0.01%	+2 B 🔺
@sentry/sveltekit (client)	41.62 kB	+0.01%	+4 B 🔺
@sentry/node-core	50.77 kB	+0.01%	+4 B 🔺
@sentry/node	157.85 kB	-	-
@sentry/node - without tracing	92.64 kB	-0.01%	-3 B 🔽
@sentry/aws-serverless	106.41 kB	+0.01%	+3 B 🔺

View base workflow run

[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	8,359	-	8,690	-4%
GET With Sentry	1,325	16%	1,397	-5%
GET With Sentry (error only)	6,038	72%	6,120	-1%
POST Baseline	1,183	-	1,213	-2%
POST With Sentry	521	44%	561	-7%
POST With Sentry (error only)	1,043	88%	1,072	-3%
MYSQL Baseline	3,199	-	3,363	-5%
MYSQL With Sentry	452	14%	482	-6%
MYSQL With Sentry (error only)	2,611	82%	2,713	-4%

View base workflow run

[andreiborza]

LGTM, thanks for taking care of this!