Apply suggestions from code review

Author: jaclyn-taroni

docs/CHANGELOG.md

@@ -12,7 +12,7 @@ For more information about `AlexsLemonade/scpca-nf` versions, please see [the re
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-## PLACEHOLDER
+## 2024.10.14
 
 * Some cell count-related fields in downloadable metadata have changed.
   * `sample_cell_count_estimate` has been removed from downloads for non-multiplexed samples.