updating go version to 1.19 for resolving vulnerabilities

[Adarshkumar14]

updating go version to 1.19 for resolving vulnerabilities

What this PR does / why we need it:

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

Special notes for your reviewer:

Checklist:

• [ ] Fixes #
• [ ] Labelled this PR & related issue with documentation tag
• [ ] PR messages has document related information
• [ ] Labelled this PR & related issue with breaking-changes tag
• [ ] PR messages has breaking changes related information
• [ ] Labelled this PR & related issue with requires-upgrade tag
• [ ] PR messages has upgrade related information
• [ ] Commit has unit tests
• [ ] Commit has integration tests

[Nageshbansal]

Hi @Adarshkumar14, I noticed that the gofmt checks were failing. I have addressed the formatting issues and created PR #465 to resolve them.