chore: update operator registry dep

[jpower432]

Description

This PR updates the operator-registry upstream library to include fixes and it updates the OPM image used in the catalog index image.

Fixes #210

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

• OPM validate added to E2E tests

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules (pointing to a fork right now)

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jpower432

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[jpower432]

E2E test failure should be resolved when the following PR is merged and incorporated. operator-framework/operator-registry#823

[openshift-ci]

@jpower432: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e	70e85c3	link	true	/test e2e

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[afflom]

/lgtm