fix(deps): update rust crate sentry-core to 0.31.8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
sentry-core (source)	dependencies	patch	0.31.7 -> 0.31.8

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Release Notes

getsentry/sentry-rust (sentry-core)

v0.31.8

Compare Source

Various fixes & improvements

• MonitorSchedule constructor that validates crontab syntax (#​625) by @​szokeasaurusrex
• fix(docs): Fix some doc errors that slipped in (#​623) by @​flub
• docs(tower): Mention how to enable http feature from sentry crate (#​622) by @​flub
• build(deps): bump rustix from 0.37.23 to 0.37.25 (#​619) by @​dependabot

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Benchmark for ba78f53

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Test	Base	PR	%
mysql/consume/1000	2.8±0.06s	2.9±0.06s	+3.57%
mysql/push/1000	1111.2±9.38ms	1140.7±10.27ms	+2.65%
postgres/consume/1000	815.6±35.45ms	794.9±29.29ms	-2.54%
postgres/push/1000	455.5±5.51ms	457.1±6.18ms	+0.35%
redis/consume/1000	552.0±0.26ms	551.9±0.41ms	-0.02%
redis/push/1000	134.7±4.92ms	137.2±2.68ms	+1.86%
sqlite_in_memory/consume/1000	1000.2±0.25ms	1000.2±23.64ms	0.00%
sqlite_in_memory/push/1000	59.0±1.90ms	58.5±1.73ms	-0.85%