update changelog

Author: pinin4fjords

CHANGELOG.md

@@ -105,6 +105,7 @@ Thank you to everyone else that has contributed by reporting bugs, enhancements
 - [PR #1340](https://github.com/nf-core/rnaseq/pull/1340) - Remove out-of-date Azure specific guidance
 - [PR #1341](https://github.com/nf-core/rnaseq/pull/1341) - Add rename in the MultiQC report for samples without techreps
 - [PR #1342](https://github.com/nf-core/rnaseq/pull/1342) - Factor out preprocessing
+- [PR #1345](https://github.com/nf-core/rnaseq/pull/1345) - Fix preprocessing call
 
 ### Parameters