chore(deps): update dependency fastapi to v0.121.3 (#1844)

Signed-off-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

requirements.txt

@@ -8,7 +8,7 @@ cliff==4.12.0
 deepdiff==8.6.1
 docker==7.1.0
 dtrack-auditor==1.5.0
-fastapi==0.121.1
+fastapi==0.121.3
 flower==2.0.1
 hiredis==3.3.0
 jc==1.25.6