Use numbered capture groups for sentry-trace validation

[alexander-alderman-webb]

📜 Description

As named capturing groups are not supported on older Android versions (<8.0 / <API level 26)

Closes #4651

💡 Motivation and Context

Only starting with API level 26 are named capture groups supported, whereas our minSdk is set to 21.

💚 How did you test it?

In Android Studio:

• The old version generated red-underlined syntax errors.
• The new version does not.

📝 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]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	407.02 ms	482.76 ms	75.74 ms
Size	1.58 MiB	2.10 MiB	530.95 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
ee747ae	386.94 ms	431.43 ms	44.49 ms
ee747ae	405.43 ms	485.70 ms	80.28 ms
ee747ae	415.92 ms	470.15 ms	54.23 ms
ee747ae	358.21 ms	389.41 ms	31.20 ms
ee747ae	374.71 ms	455.18 ms	80.47 ms
ee747ae	396.82 ms	441.67 ms	44.86 ms
ee747ae	554.98 ms	611.50 ms	56.52 ms
ee747ae	382.73 ms	435.41 ms	52.68 ms
ee747ae	400.46 ms	423.61 ms	23.15 ms
ee747ae	357.79 ms	421.84 ms	64.05 ms

App size

Revision	Plain	With Sentry	Diff
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB

Previous results on branch: webb/use-numbered-capture-groups-for-sentry-trace-header-validation

Startup times

Revision	Plain	With Sentry	Diff
51f57f8	419.54 ms	470.84 ms	51.30 ms
765567d	378.67 ms	430.08 ms	51.41 ms

App size

Revision	Plain	With Sentry	Diff
51f57f8	1.58 MiB	2.10 MiB	530.95 KiB
765567d	1.58 MiB	2.10 MiB	530.95 KiB

[adinauer]

LGTM thanks for fixing