add patient labels

[BFalquet]

sibling PR of insightsengineering/chevron#655

add the singulare for of patient_label to be used in listings titles: see insightsengineering/chevron#655

thank you for the review

[github-actions]

Unit Tests Summary

  1 files   13 suites   1s ⏱️
 97 tests  92 ✅ 2 💤 3 ❌
322 runs  311 ✅ 3 💤 8 ❌

For more details on these failures, see this check.

Results for commit 2d49016.

♻️ This comment has been updated with latest results.

[github-actions]

🧪 Test coverage: 97.02%

Code Coverage Summary

Filename               Stmts    Miss  Cover    Missing
-------------------  -------  ------  -------  ---------
R/assertions.R            54       0  100.00%
R/co_relevels.R           17       0  100.00%
R/cut_by_group.R          15       0  100.00%
R/explicit_na.R           26       0  100.00%
R/filter.R                73       0  100.00%
R/join_adsub_adsl.R       66       8  87.88%   126-133
R/pivot.R                 73       0  100.00%
R/propagate.R             22       0  100.00%
R/reformat.R              55       0  100.00%
R/render_safe.R           38       1  97.37%   30
R/rules.R                 53       1  98.11%   53
R/unite.R                 31       0  100.00%
R/utils.R                  8       0  100.00%
R/zzz.R                    6       6  0.00%    4-9
TOTAL                    537      16  97.02%

Diff against main

Filename      Stmts    Miss  Cover
----------  -------  ------  --------
R/utils.R       -19       0  +100.00%
R/zzz.R          +3      +3  +100.00%
TOTAL           -16      +3  -0.63%

Results for commit: a543fc9

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results