Bump Spring Boot 4 to GA version

[adinauer]

📜 Description

Bump Spring Boot 4 to GA version

💡 Motivation and Context

💚 How did you test it?

📝 Checklist

• I added GH Issue ID & Linear ID
• 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	313.54 ms	376.77 ms	63.23 ms
Size	1.58 MiB	2.13 MiB	557.32 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
604a261	380.65 ms	451.27 ms	70.62 ms
ee747ae	382.73 ms	435.41 ms	52.68 ms
b77456b	393.26 ms	441.10 ms	47.84 ms
9fbb112	401.87 ms	515.87 ms	114.00 ms
806307f	357.85 ms	424.64 ms	66.79 ms
27d7cf8	309.43 ms	364.27 ms	54.85 ms
7314dbe	437.83 ms	505.64 ms	67.81 ms
d217708	375.27 ms	415.68 ms	40.41 ms
96449e8	361.30 ms	423.39 ms	62.09 ms
1df7eb6	397.04 ms	429.64 ms	32.60 ms

App size

Revision	Plain	With Sentry	Diff
604a261	1.58 MiB	2.10 MiB	533.42 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
b77456b	1.58 MiB	2.12 MiB	548.11 KiB
9fbb112	1.58 MiB	2.11 MiB	539.18 KiB
806307f	1.58 MiB	2.10 MiB	533.42 KiB
27d7cf8	1.58 MiB	2.12 MiB	549.42 KiB
7314dbe	1.58 MiB	2.10 MiB	533.45 KiB
d217708	1.58 MiB	2.10 MiB	532.97 KiB
96449e8	1.58 MiB	2.11 MiB	539.35 KiB
1df7eb6	1.58 MiB	2.10 MiB	532.97 KiB