Bump Golang to go1.19.1

[cf-diego]

Bump Dockerfile golang version

• [ ] Example bump for previous go version
• [ ] Sync pipelines

Acceptance

• [ ] Check the progress of the bump in diego-ci. Confirm all jobs have passed and release-candidate branch has been bumped

[linux-foundation-easycla[bot]]

• :x: - login: @cf-diego / name: Cloud Foundry Diego . The commit (d17a555c0ca25e5830e7b736cd5e70044e93e96d) is not authorized under a signed CLA. Please click here to be authorized. For further assistance with EasyCLA, please submit a support request ticket.