differentiate Contributors and Submitters: https://github.com/metanor…

[opoudjis]

…ma/metanorma-ogc/issues/618

Metanorma PR checklist

• [ ] Breaking changes (list related PRs)
• [ ] Documentation update required (create task for this)
• [ ] External dependency introduced (documentation update need)
• [ ] Gem with native library introduced

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (3adecfe) 93.66% compared to head (91726d3) 93.66%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #619 +/- ## ======================================= Coverage 93.66% 93.66% ======================================= Files 22 22 Lines 1010 1011 +1 ======================================= + Hits 946 947 +1 Misses 64 64 ```

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