[WIP] feat(core): PoC implementation of Remote Configuration

[billyvg]

Do not merge

Initial proof of concept of how remote configuration could work in the JS SDKs.

[github-actions[bot]]

size-limit report 📦

Path	Size
@sentry/browser	22.08 KB (+0.21% 🔺)
@sentry/browser (incl. Tracing)	33.27 KB (+0.13% 🔺)
@sentry/browser (incl. Tracing, Replay)	69 KB (+0.06% 🔺)
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	62.32 KB (+0.08% 🔺)
@sentry/browser (incl. Tracing, Replay with Canvas)	73.06 KB (+0.06% 🔺)
@sentry/browser (incl. Tracing, Replay, Feedback)	85.28 KB (+0.17% 🔺)
@sentry/browser (incl. Tracing, Replay, Feedback, metrics)	87.12 KB (+0.17% 🔺)
@sentry/browser (incl. metrics)	26.26 KB (+0.14% 🔺)
@sentry/browser (incl. Feedback)	38.35 KB (+0.39% 🔺)
@sentry/browser (incl. sendFeedback)	26.67 KB (+0.14% 🔺)
@sentry/browser (incl. FeedbackAsync)	31.32 KB (+0.43% 🔺)
@sentry/react	24.85 KB (+0.17% 🔺)
@sentry/react (incl. Tracing)	36.31 KB (+0.11% 🔺)
@sentry/vue	26.09 KB (+0.17% 🔺)
@sentry/vue (incl. Tracing)	35.11 KB (+0.11% 🔺)
@sentry/svelte	22.21 KB (+0.19% 🔺)
CDN Bundle	23.43 KB (+0.17% 🔺)
CDN Bundle (incl. Tracing)	34.94 KB (+0.1% 🔺)
CDN Bundle (incl. Tracing, Replay)	69.06 KB (+0.05% 🔺)
CDN Bundle (incl. Tracing, Replay, Feedback)	74.27 KB (+0.17% 🔺)
CDN Bundle - uncompressed	68.83 KB (+0.18% 🔺)
CDN Bundle (incl. Tracing) - uncompressed	103.42 KB (+0.12% 🔺)
CDN Bundle (incl. Tracing, Replay) - uncompressed	213.87 KB (+0.06% 🔺)
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	226.63 KB (+0.19% 🔺)
@sentry/nextjs (client)	35.66 KB (+0.1% 🔺)
@sentry/sveltekit (client)	33.9 KB (+0.11% 🔺)
@sentry/node	111.98 KB (+0.03% 🔺)
@sentry/node - without tracing	89.45 KB (+0.03% 🔺)
@sentry/aws-serverless	98.51 KB (+0.03% 🔺)