Merge pull request #199 from BoostryJP/feature/upgrade_fastapi

feat: upgrade fastapi

Author: YoshihitoAso

requirements.txt

@@ -4,8 +4,8 @@ web3==5.15.0
 eth-keyfile==0.5.1
 pysha3==1.0.2
 coincurve==14.0.0
-pydantic~=1.7.3
-fastapi~=0.63.0
+pydantic==1.8.2
+fastapi==0.68.1
 uvicorn==0.13.3
 gunicorn==20.0.4
 boto3==1.17.12