fix on-cran checks for ropensci-review-tools/orgmetrics#49

[mpadge]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.54%. Comparing base (df222b4) to head (6b20e18).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #309   +/-   ##
=======================================
  Coverage   92.54%   92.54%           
=======================================
  Files          47       47           
  Lines        3567     3569    +2     
=======================================
+ Hits         3301     3303    +2     
  Misses        266      266           

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