THRIFT-5338: Raise minimal supported go version to 1.14.14

Client: go

- Update Dockerfiles used by travis
- Add go.mod file
- Modify error handling code to take advantage of errors package updates
  in go1.13

Yuxuan 'fishy' Wang committed 5y ago

e27e82c46ba4d46c2c3267701191cdc26614f739

Parent: 0e68e8c

Committed by Yuxuan 'fishy' Wang <fishywang@gmail.com> on 1/20/2021, 5:11:02 PM