chore(deps): update dependency fastapi to v0.128.8 (#197)

Ref: PACT-445

Co-authored-by: pactflow-renovate-bot[bot] <186667433+pactflow-renovate-bot[bot]@users.noreply.github.com>

Author: pactflow-renovate-bot[bot]

requirements.txt

@@ -1,2 +1,2 @@
-fastapi==0.128.7
+fastapi==0.128.8
 uvicorn==0.40.0