fix(tekton): fix for empty tags and events

[briangleeson]

Signed-off-by: Brian Gleeson brian.gleeson@ie.ibm.com

PR summary

Related issue: https://github.ibm.com/one-pipeline/adoption-issues/issues/1110

When attempting to remove a tags: ["tag1","tag2"] property from a Trigger, or an events: ["push"] property from a SCM Trigger, the removal would fail and the tags/events left in place in the trigger. This was because of the omitempty tag included for those proeprties in the generated Go SDK. By adding the x-sdk-go-serialize-empty annotation for the Tags and Events properties in the openAPI spec, the omitempty is excluded for these properties and the issue is fixed

PR Checklist

Please make sure that your PR fulfills the following requirements:

• [x] The commit message follows the Angular Commit Message Guidelines.
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

PR Type

• [x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] New tests
• [ ] Build/CI related changes
• [ ] Documentation content changes
• [ ] Other (please describe)

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

Other information

[briangleeson]

:tada: This PR is included in version 1.0.4 :tada:

The release is available on GitHub release

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