ref(node-experimental): Deprecate lastEventId on scope

[lforst]

I forgot this deprecation in #10043

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay, Feedback) - Webpack (gzipped)	76.32 KB (+0.14% 🔺)
@sentry/browser (incl. Tracing, Replay) - Webpack (gzipped)	67.7 KB (+0.16% 🔺)
@sentry/browser (incl. Tracing, Replay) - Webpack with treeshaking flags (gzipped)	61.31 KB (+0.17% 🔺)
@sentry/browser (incl. Tracing) - Webpack (gzipped)	31.95 KB (+0.33% 🔺)
@sentry/browser (incl. Feedback) - Webpack (gzipped)	30.65 KB (+0.34% 🔺)
@sentry/browser - Webpack (gzipped)	22.03 KB (+0.5% 🔺)
@sentry/browser (incl. Tracing, Replay, Feedback) - ES6 CDN Bundle (gzipped)	73.92 KB (+0.15% 🔺)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (gzipped)	65.58 KB (+0.16% 🔺)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (gzipped)	31.76 KB (+0.34% 🔺)
@sentry/browser - ES6 CDN Bundle (gzipped)	23.69 KB (+0.5% 🔺)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (minified & uncompressed)	206.06 KB (+0.38% 🔺)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (minified & uncompressed)	95.95 KB (+0.81% 🔺)
@sentry/browser - ES6 CDN Bundle (minified & uncompressed)	70.79 KB (+1.1% 🔺)
@sentry/browser (incl. Tracing) - ES5 CDN Bundle (gzipped)	34.68 KB (+0.29% 🔺)
@sentry/react (incl. Tracing, Replay) - Webpack (gzipped)	68.06 KB (+0.15% 🔺)
@sentry/react - Webpack (gzipped)	22.06 KB (+0.48% 🔺)
@sentry/nextjs Client (incl. Tracing, Replay) - Webpack (gzipped)	84.8 KB (+0.13% 🔺)
@sentry/nextjs Client - Webpack (gzipped)	49.14 KB (+0.22% 🔺)
@sentry-internal/feedback - Webpack (gzipped)	16.68 KB (+0.62% 🔺)