chore: capture even less to sentry

[pauldambra]

I got turned around because i was using bare status code and was sending too many errors to sentry still

this moves to using descriptive names for the status code and only sending to sentry when we tell a client to stop trying

[sentry-io[bot]]

🔍 Existing Issues For Review

Your pull request is modifying functions with the following pre-existing issues:

📄 File: posthog/api/capture.py

Function	Unhandled Issue
get_event	UnicodeDecodeError: 'utf-16-le' codec can't decode bytes in position 21438-21439: illegal UTF-16 surrogate ... Event Count: 4

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