Update dependency fastapi to v0.115.14

Author: renovate[bot]

docker/config/requirements.txt

@@ -1,7 +1,7 @@
 numpy==2.3.1
 opencv-python==4.11.0.86
 Pillow==11.2.1
-fastapi==0.115.12
+fastapi==0.115.14
 uvicorn==0.34.0
 browser-cookie3==0.20.1
 requests==2.32.4