ref(tracing): Remove span.startChild()

[mydea]

Also refactor the span logging behavior into a logging integration, to make this consistent between core & otel-powered spans.

[codecov]

Bundle Report

Changes will increase total bundle size by 982 bytes ⬆️

Bundle name	Size	Change
@sentry-internal/replay-cjs	306.35kB	0 bytes
@sentry/types-cjs	35 bytes	0 bytes
@sentry-internal/replay-canvas-cjs	29.51kB	0 bytes
@sentry/aws-serverless-cjs	14.62kB	5.67kB ⬇️
@sentry-internal/replay-esm	306.46kB	0 bytes
@sentry-internal/node-integration-tests-cjs	1.04kB	0 bytes
@sentry-internal/node-integration-tests-esm	888 bytes	0 bytes
@sentry-internal/replay-canvas-esm	29.43kB	0 bytes
@sentry/bun-cjs	13.6kB	94 bytes ⬆️
@sentry/node-cjs	336.28kB	94 bytes ⬆️
@sentry/sveltekit-cjs	69.31kB	0 bytes
@sentry/types-esm	35 bytes	0 bytes
@sentry/browser-esm	104.65kB	126 bytes ⬆️
@sentry/wasm-cjs	5.2kB	0 bytes
@sentry/remix-cjs	53.62kB	0 bytes
@sentry/google-cloud-serverless-cjs	23.07kB	60 bytes ⬆️
@sentry/google-cloud-serverless-esm	19.18kB	23 bytes ⬆️
@sentry/bun-esm	10.13kB	75 bytes ⬆️
@sentry/sveltekit-esm	61.08kB	0 bytes
@sentry/utils-cjs	178.16kB	0 bytes
@sentry/remix-esm	48.23kB	0 bytes
@sentry/gatsby-esm	385 bytes	0 bytes
@sentry/node-esm	332.86kB	75 bytes ⬆️
@sentry/browser-cjs	107.51kB	145 bytes ⬆️
@sentry/nextjs-esm	20.02kB	7.49kB ⬆️
@sentry/astro-cjs	27.13kB	0 bytes
@sentry/utils-esm	173.58kB	0 bytes
@sentry/gatsby-cjs	905 bytes	0 bytes
@sentry/svelte-cjs	13.84kB	0 bytes
@sentry/nextjs-cjs	20.52kB	0 bytes
@sentry/vue-cjs	20.19kB	0 bytes
@sentry/core-cjs	239.91kB	160 bytes ⬇️
@sentry/profiling-node-cjs	25.5kB	0 bytes
@sentry/profiling-node-esm	25.52kB	0 bytes
@sentry/react-cjs	45.04kB	0 bytes
@sentry/astro-esm	23.39kB	0 bytes
@sentry/core-esm	236.3kB	156 bytes ⬇️
@sentry/wasm-esm	4.85kB	0 bytes
@sentry/vue-esm	18.85kB	0 bytes
@sentry-internal/integration-shims-cjs	3.65kB	0 bytes
@sentry/svelte-esm	12.72kB	0 bytes
@sentry/vercel-edge-cjs	18.27kB	34 bytes ⬆️
@sentry/react-esm	41.18kB	0 bytes
@sentry-internal/integration-shims-esm	2.99kB	0 bytes
@sentry-internal/feedback-cjs	65.81kB	0 bytes
@sentry/vercel-edge-esm	16.18kB	52 bytes ⬆️
@sentry/opentelemetry-cjs	69.66kB	557 bytes ⬇️
@sentry-internal/tracing-cjs	107.89kB	111 bytes ⬇️
@sentry-internal/feedback-esm	65.5kB	0 bytes
@sentry/opentelemetry-esm	68.65kB	535 bytes ⬇️
@sentry-internal/tracing-esm	107.16kB	105 bytes ⬇️

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay, Feedback)	76.17 KB (0%)
@sentry/browser (incl. Tracing, Replay)	67.45 KB (+0.02% 🔺)
@sentry/browser (incl. Tracing, Replay with Canvas)	71.29 KB (+0.02% 🔺)
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	61.01 KB (+0.02% 🔺)
@sentry/browser (incl. Tracing)	32.11 KB (+0.04% 🔺)
@sentry/browser (incl. browserTracingIntegration)	32.11 KB (+0.04% 🔺)
@sentry/browser (incl. feedbackIntegration)	31.33 KB (0%)
@sentry/browser (incl. feedbackModalIntegration)	31.45 KB (0%)
@sentry/browser (incl. feedbackScreenshotIntegration)	31.45 KB (0%)
@sentry/browser (incl. sendFeedback)	27.42 KB (0%)
@sentry/browser	22.57 KB (0%)
CDN Bundle (incl. Tracing, Replay, Feedback)	71.2 KB (+0.04% 🔺)
CDN Bundle (incl. Tracing, Replay)	65.93 KB (+0.04% 🔺)
CDN Bundle (incl. Tracing)	32.27 KB (+0.07% 🔺)
CDN Bundle	23.8 KB (0%)
CDN Bundle (incl. Tracing, Replay) - uncompressed	205.49 KB (+0.02% 🔺)
CDN Bundle (incl. Tracing) - uncompressed	96.14 KB (+0.05% 🔺)
CDN Bundle - uncompressed	70.24 KB (0%)
@sentry/react (incl. Tracing, Replay)	67.44 KB (+0.03% 🔺)
@sentry/react	22.6 KB (0%)