feat(fedback): Convert CDN bundles to use async feedback for lower bundle sizes

[ryan953]

It's more aggressive to start with the async loading strategy in the CDN bundle, but could be safer because if we want to change from async->sync it would not really be a majr version change. Whereas going from sync->async would be more of a big feature, riskier, and could demand a version bump or something.

[github-actions[bot]]

size-limit report 📦

Path	Size
@sentry/browser	21.64 KB (0%)
@sentry/browser (incl. Tracing)	32.68 KB (0%)
@sentry/browser (incl. Tracing, Replay)	68.03 KB (0%)
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	61.43 KB (0%)
@sentry/browser (incl. Tracing, Replay with Canvas)	72.07 KB (0%)
@sentry/browser (incl. Tracing, Replay, Feedback)	84.21 KB (0%)
@sentry/browser (incl. Feedback)	37.77 KB (0%)
@sentry/browser (incl. sendFeedback)	26.43 KB (0%)
@sentry/browser (incl. FeedbackAsync)	30.9 KB (0%)
@sentry/react	24.33 KB (0%)
@sentry/react (incl. Tracing)	35.64 KB (0%)
@sentry/vue	25.47 KB (0%)
@sentry/vue (incl. Tracing)	34.47 KB (0%)
@sentry/svelte	21.77 KB (0%)
CDN Bundle	24.02 KB (+0.29% 🔺)
CDN Bundle (incl. Tracing)	34.05 KB (+0.21% 🔺)
CDN Bundle (incl. Tracing, Replay)	67.72 KB (+0.08% 🔺)
CDN Bundle (incl. Tracing, Replay, Feedback)	73.05 KB (-12.6% 🔽)
CDN Bundle - uncompressed	70.62 KB (+0.06% 🔺)
CDN Bundle (incl. Tracing) - uncompressed	100.98 KB (+0.04% 🔺)
CDN Bundle (incl. Tracing, Replay) - uncompressed	210.59 KB (+0.02% 🔺)
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	224.19 KB (-12.78% 🔽)
@sentry/nextjs (client)	34.86 KB (0%)
@sentry/sveltekit (client)	33.24 KB (0%)
@sentry/node	138.47 KB (0%)

[ryan953]

CDN Bundle (incl. Tracing, Replay, Feedback) 73.07 KB (-12.59% 🔽)

Love to see this! 12% of the bundle size was from loading the feedback modules which only render after the user clicks the button. For most pageviews people will not click the button, so thats a large number of bytes saved per pageload.