swap operator logger to zap json logger

[OliverMKing]

Description

Swaps the operator logger to a json logger so we can more easily parse logs. Without we have to parse logs with regex which is neither efficient nor easy.

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?

Tested locally + with e2e

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my 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

[OliverMKing]

/ok-to-test sha=4809d70

[OliverMKing]

/ok-to-test sha=b7c709d