CI: test api `Create a serie download images` test intermittently failing

### Kyoo's version _No response_ ### What happened? https://github.com/zoriya/Kyoo/actions/runs/19683422101/job/56382875460?pr=1183 ```log (fail) images > Create a serie download images [5000.09ms] ^ this test timed out after 5000ms. 135 pass 1 fail 580 expect() calls Ran 136 tests across 20 files. [11.51s] ``` https://github.com/zoriya/Kyoo/actions/runs/19648310274/job/56268884503?pr=1159 ```log Run bun test bun test v1.3.3 (274e01c7) ... ... ... 1 tests failed: (fail) images > Download 404 image [5001.09ms] ^ this test timed out after 5000ms. 135 pass 1 fail 579 expect() calls Ran 136 tests across 20 files. [10.83s] Error: Process completed with exit code 1. ```