`SystemStackError` exceptions dropped by payload truncation logic

[sl0thentr0py]

These exceptions have lots of frames in the exception object, we could be a bit smarter and truncate the frames instead of dropping the whole envelope item.

[PikachuEXE]

Where is the payload truncation logic happening now?
I can try to figure out what to change. (As this is affecting one of my projects)

[sl0thentr0py]

@PikachuEXE here

sentry-ruby/sentry-ruby/lib/sentry/transport.rb

Lines 85 to 93 in 7429e6c

	if result.bytesize > Event::MAX_SERIALIZED_PAYLOAD_SIZE
	size_breakdown = item.payload.map do |key, value|
	"#{key}: #{JSON.generate(value).bytesize}"
	end.join(", ")
	log_debug("Envelope item [#{item.type}] is still oversized without breadcrumbs: {#{size_breakdown}}")
	next
	end