Update environment variable usage in release action workflow
Motivation for the change:
After attempting to cut release v0.1.0 I noticed the release action successfully ran but ran as a SNAPSHOT build instead of a proper release build and therefore no artifacts were published.
Checklist
If the pull request includes user-facing changes, extra documentation is required:
In response to [this](https://github.com/operator-framework/ansible-operator-plugins/pull/7#issuecomment-1709095544):
>/cherry-pick release-v0.1
Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.
Description of the change:
Motivation for the change:
Checklist
If the pull request includes user-facing changes, extra documentation is required:
changelog/fragments
(seechangelog/fragments/00-template.yaml
)website/content/en/docs