fix(core): Ensure we copy passed in span data/tags/attributes

[mydea]

So we do not mutate this if we update data there.

Noticed this here: #10097

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay, Feedback) - Webpack (gzipped)	76.59 KB (+0.02% 🔺)
@sentry/browser (incl. Tracing, Replay) - Webpack (gzipped)	67.95 KB (+0.03% 🔺)
@sentry/browser (incl. Tracing, Replay) - Webpack with treeshaking flags (gzipped)	61.58 KB (+0.03% 🔺)
@sentry/browser (incl. Tracing) - Webpack (gzipped)	32.2 KB (+0.05% 🔺)
@sentry/browser (incl. Feedback) - Webpack (gzipped)	30.7 KB (0%)
@sentry/browser - Webpack (gzipped)	22.07 KB (0%)
@sentry/browser (incl. Tracing, Replay, Feedback) - ES6 CDN Bundle (gzipped)	74.23 KB (+0.03% 🔺)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (gzipped)	65.85 KB (+0.03% 🔺)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (gzipped)	32.02 KB (+0.06% 🔺)
@sentry/browser - ES6 CDN Bundle (gzipped)	23.76 KB (0%)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (minified & uncompressed)	206.84 KB (+0.02% 🔺)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (minified & uncompressed)	96.69 KB (+0.04% 🔺)
@sentry/browser - ES6 CDN Bundle (minified & uncompressed)	70.93 KB (0%)
@sentry/browser (incl. Tracing) - ES5 CDN Bundle (gzipped)	34.99 KB (+0.06% 🔺)
@sentry/react (incl. Tracing, Replay) - Webpack (gzipped)	68.32 KB (+0.03% 🔺)
@sentry/react - Webpack (gzipped)	22.09 KB (0%)
@sentry/nextjs Client (incl. Tracing, Replay) - Webpack (gzipped)	85.04 KB (+0.02% 🔺)
@sentry/nextjs Client - Webpack (gzipped)	49.41 KB (+0.04% 🔺)
@sentry-internal/feedback - Webpack (gzipped)	16.74 KB (0%)