ci: update to golang 1.20

[bill-mahoney]

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows our guidelines: https://github.com/edgexfoundry/ci-management/blob/master/.github/CONTRIBUTING.md

• [ ] Tests for the changes have been added (for bug fixes / features)

• [x] Added labels

  PR Type

  What kind of change does this PR introduce?

• [ ] Bugfix

• [x] Feature

• [ ] Code style update (formatting, local variables)

• [ ] Refactoring (no functional changes, no api changes)

• [ ] Documentation content changes

• [ ] Other... Please describe:

Issue Number:

203

Sandbox Testing

Test Links :

Are there any new imports or modules? If so, what are they used for and why?

Are there any specific instructions or things that should be known prior to reviewing?

Other information

[lenny-goodell]

@bnevis-i , Please review for the Spire minor version bump.

[bnevis-i]

@bnevis-i , Please review for the Spire minor version bump.

Will review.

[bnevis-i]

Having trouble getting spire-server to compile with go 1.20. Looking into it.