PostHog/posthog-js @posthog/core@1.48.4

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1.48.4

Patch Changes

• #4558 3f9ba71 Thanks @posthog! - Fall back to the synthetic exception stack when a captured Error has no stack, so frameless failures (such as a Firefox network fetch TypeError) keep their call-site frames and group per call site instead of merging into one issue.
  (2026-08-19)