Update CITATION.cff

Author: github-actions[bot]

CITATION.cff

@@ -21,8 +21,8 @@ abstract: A C/C++ based package for advanced data transformation and statistical
   statistics, powerful tools to work with nested data, fast data object conversions,
   functions for memory efficient R programming, and helpers to effectively deal with
   variable labels, attributes, and missing data. It is well integrated with base R
-  classes, 'dplyr'/'tibble', 'data.table', 'sf', 'plm' (panel-series and data frames),
-  and 'xts'/'zoo'.
+  classes, 'dplyr'/'tibble', 'data.table', 'sf', 'units', 'plm' (panel-series and
+  data frames), and 'xts'/'zoo'.
 authors:
 - family-names: Krantz
   given-names: Sebastian
@@ -42,7 +42,7 @@ preferred-citation:
 repository: https://CRAN.R-project.org/package=collapse
 repository-code: https://github.com/SebKrantz/collapse
 url: https://sebkrantz.github.io/collapse/
-date-released: '2024-05-01'
+date-released: '2024-05-19'
 contact:
 - family-names: Krantz
   given-names: Sebastian