Update CHANGELOG.md

Author: pinin4fjords

CHANGELOG.md

@@ -11,6 +11,7 @@ Special thanks to the following for their contributions to the release:
 
 - [Caitlin Winkler](https://github.com/oligomyeggo)
 - [Jonathan Manning](https://github.com/pinin4fjords)
+- [Lorenzo Sola](https://github.com/LorenzoS96)
 - [Maxime Garcia](https://github.com/maxulysse)
 - [Siddhartha Bagaria](https://github.com/siddharthab)
 
@@ -28,6 +29,7 @@ Special thanks to the following for their contributions to the release:
 - [PR #1473](https://github.com/nf-core/rnaseq/pull/1473) - Bump STAR modules
 - [PR #1474](https://github.com/nf-core/rnaseq/pull/1474) - Bump versions to 3.18.0
 - [PR #1475](https://github.com/nf-core/rnaseq/pull/1475) - Fix log publishing around umitools/ umicollapse
+- [PR #1447](https://github.com/nf-core/rnaseq/pull/1447) - Add tutorial series for analysing count data
 
 ## Parameters