Ensure DSN uses http/https protocol

[markushi]

📜 Description

Fixes #3025
Inspired by https://github.com/getsentry/sentry-python/blob/36c2650ccc6edcd300e2d207d7123b12c8b77b27/sentry_sdk/utils.py#L237-L238

💡 Motivation and Context

Ensure we crash early on when an invalid dsn is provided.

💚 How did you test it?

Added unit tests

📝 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]

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Generated by 🚫 dangerJS against 3394789

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	431.47 ms	515.04 ms	83.58 ms
Size	1.72 MiB	2.29 MiB	577.75 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
2fad834	390.07 ms	470.80 ms	80.73 ms
283d83e	416.81 ms	497.22 ms	80.41 ms
c7e2fbc	398.35 ms	468.52 ms	70.17 ms
86f0096	381.33 ms	476.58 ms	95.25 ms
c3f503e	360.41 ms	434.67 ms	74.27 ms
3d8bd2b	379.45 ms	450.36 ms	70.90 ms
3d8bd2b	375.34 ms	446.32 ms	70.98 ms
93a76ca	397.30 ms	455.16 ms	57.87 ms
86f0096	371.86 ms	439.78 ms	67.92 ms
7ca9895	364.31 ms	460.46 ms	96.15 ms

App size

Revision	Plain	With Sentry	Diff
2fad834	1.72 MiB	2.29 MiB	577.53 KiB
283d83e	1.72 MiB	2.29 MiB	577.69 KiB
c7e2fbc	1.72 MiB	2.29 MiB	576.40 KiB
86f0096	1.72 MiB	2.29 MiB	576.50 KiB
c3f503e	1.72 MiB	2.29 MiB	577.04 KiB
3d8bd2b	1.72 MiB	2.29 MiB	577.53 KiB
3d8bd2b	1.72 MiB	2.29 MiB	577.53 KiB
93a76ca	1.72 MiB	2.29 MiB	576.75 KiB
86f0096	1.72 MiB	2.29 MiB	576.50 KiB
7ca9895	1.72 MiB	2.29 MiB	576.51 KiB

Previous results on branch: feat/validate-dsn-protocol

Startup times

Revision	Plain	With Sentry	Diff
8ec675e	353.58 ms	461.50 ms	107.92 ms

App size

Revision	Plain	With Sentry	Diff
8ec675e	1.72 MiB	2.29 MiB	577.76 KiB