Added automated release process to project pipeline

[neil-k-zero]

• Reconfigured bin/publish to perform releases and promotions of contianer images based on optional flag parameters.

• Added additional functions in bin/build_utils for the automated releases.

• Maintained legacy bin/build_utils functions that are currently no longer in use, but might provide useful in the future.

• Added submodule for cyberark/conjur-opentelemetry-tracer upstream dependency.

• Added submodule for cyberark/conjur-authn-k8s-client upstream dependency.

• Added submodule for cyberark/conjur-api-go upstream dependency.

• During a build, images get pushed inertnally to registry.tld. These images allow for promotion at a later time if/when necessary.

Desired Outcome

Add project to automated release process.

Implemented Changes

• Version file is automatically generated from the CHANGELOG, this is utilized for automated releases.

• Github pre-release are automatically generated with the option to promote said pre-release to a GitHub release for customers.

• Docker Software Bill of Materials is generated on releases and is stored as an artifact. This can be utilized to regenerate the go.mod file.

• Builds will tag and push images internally to registry.tld.

• Container images are tagged as edge for pre-releases.

• Images that are promoted (released) are tagged as latest.

Connected Issue/Story

N/A

Definition of Done

At least 1 todo must be completed in the sections below for the PR to be merged.

Changelog

• [x] The CHANGELOG has been updated, or
• [ ] This PR does not include user-facing changes and doesn't require a CHANGELOG update

Test coverage

• [ ] This PR includes new unit and integration tests to go with the code changes, or
• [x] The changes in this PR do not require tests

Documentation

• [ ] Docs (e.g. READMEs) were updated in this PR
• [ ] A follow-up issue to update official docs has been filed here: [insert issue ID]()
• [x] This PR does not require updating any documentation

Behavior

• [ ] This PR changes product behavior and has been reviewed by a PO, or
• [ ] These changes are part of a larger initiative that will be reviewed later, or
• [x] No behavior was changed with this PR

Security

• [ ] Security architect has reviewed the changes in this PR,
• [ ] These changes are part of a larger initiative with a separate security review, or
• [x] There are no security aspects to these changes

[jtuttle]

This looks like great, are you planning on updating the release instructions to match the new workflow?

[neil-k-zero]

This looks like great, are you planning on updating the release instructions to match the new workflow?

Ah, sure thing, I'll work on updating it.

[jtuttle]

Thanks, we'll want to make sure to do update release instructions on any repos that undergo this change so that we don't end up with someone trying to release the old way.

[neil-k-zero]

Thanks, we'll want to make sure to do update release instructions on any repos that undergo this change so that we don't end up with someone trying to release the old way.

@jtuttle I noticed there's a section in the release doc that has a few helm chart yaml files that need to be manually updated. I'm thinking I could possibly write something that will utilize the now auto generated VERSION file and update those files automatically to match. Then I can remove that entire section from the doc.

[codeclimate[bot]]

Code Climate has analyzed commit b1196ba7 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 89.2% (0.0% change).

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