chore: Change primary COS role from COS Officer to COS

[mikevespi]

Update base role for COS to be COS instead of COS Officer.

Description

The base role for COS users is now COS, and COS officer is out of rotation.
Accompanying PR in NatCom: bcgov/nr-compliance-enforcement#862

Fixes # 1347
https://env-ceds.atlassian.net/jira/software/c/projects/CE/boards/4?selectedIssue=CE-1347

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 by verifying that with COS role and no COS_Officer role, I was able to view and update complaints.

Checklist

• I have read the CONTRIBUTING doc
• 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 already been accepted and merged

Further comments

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