chore: update o-f/api version to v0.12.0

[tylerslaton]

Description of the change:
Updating the operator framework API version to be v0.12.0.

Motivation for the change:
The latest version of the operator framework API, v0.12.0, is out and includes a breaking change by removing the "None" constraint and replacing it with "Not".

Reviewer Checklist

• Implementation matches the proposed design, or proposal is updated to match implementation
• Sufficient unit test coverage
• Sufficient end-to-end test coverage
• Docs updated or added to /docs
• Commit messages sensible and descriptive

[ankitathomas]

/lgtm

[codecov]

Codecov Report

Merging #911 (45cc6e8) into master (4e33928) will not change coverage.
The diff coverage is n/a.

❗ Current head 45cc6e8 differs from pull request most recent head 9fe5cac. Consider uploading reports for the commit 9fe5cac to get more accurate results

@@           Coverage Diff           @@
##           master     #911   +/-   ##
=======================================
  Coverage   52.18%   52.18%           
=======================================
  Files         103      103           
  Lines        9113     9113           
=======================================
  Hits         4756     4756           
  Misses       3451     3451           
  Partials      906      906           

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[awgreene]

/lgtm

[dinhxuanvu]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ankitathomas, dinhxuanvu, tylerslaton

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