chore(webserver): upgrade axum to 0.8, utoipa to 5.3 for apidoc merge…

[zwpaper]

… feature

When working the API doc generation for ingestion API, we need the merge feature from utoipa, to merge the ee api routes into ApiDoc.

the merge was introduced since utoipa 0.5.

Everything is working fine after upgrade, Test:

[wsxiaoys]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.

Project coverage is 57.11%. Comparing base (a49da86) to head (20b8770).
Report is 13 commits behind head on main.

Files with missing lines	Patch %	Lines
ee/tabby-webserver/src/routes/repositories/mod.rs	0.00%	4 Missing ⚠️
ee/tabby-webserver/src/routes/mod.rs	0.00%	2 Missing ⚠️
crates/tabby/src/routes/health.rs	0.00%	1 Missing ⚠️
ee/tabby-webserver/src/axum/websocket.rs	0.00%	1 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (75.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4178      +/-   ##
==========================================
- Coverage   57.14%   57.11%   -0.03%     
==========================================
  Files         229      229              
  Lines       28880    28892      +12     
==========================================
- Hits        16504    16503       -1     
- Misses      12376    12389      +13     

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