Reduce useless io calls

[stefanosiano]

📜 Description

Reduce useless io calls, to mitigate StrictMode warnings.

💡 Motivation and Context

Relates to #4261

💚 How did you test it?

📝 Checklist

• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

- Reduce useless io calls ([#4333](https://github.com/getsentry/sentry-java/pull/4333))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description.

Generated by 🚫 dangerJS against a52a423

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	429.90 ms	450.76 ms	20.86 ms
Size	1.58 MiB	2.08 MiB	505.43 KiB