[SR] Cleanups and session deadline

[romtsn]

#skip-changelog

📜 Description

A few improvements this PR does:

• Cleans up older replay folders when starting a new one
• Adds deadline of 1 hour for full session recordings
• Adds safe wrappers for executors that handle failures gracefully when submitting or executing tasks

💡 Motivation and Context

Part of getsentry/sentry#63255

💚 How did you test it?

📝 Checklist

• I reviewed the submitted code.
• 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.
• 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]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	393.33 ms	454.66 ms	61.33 ms
Size	1.70 MiB	2.30 MiB	617.28 KiB

[markushi]

LGTM!