Update CHANGELOG.md

Author: drpatelh

CHANGELOG.md

@@ -22,7 +22,7 @@ Thank you to everyone else that has contributed by reporting bugs, enhancements
 - [PR #1051](https://github.com/nf-core/rnaseq/pull/1051) - Remove `public_aws_ecr` profile
 - [PR #1054](https://github.com/nf-core/rnaseq/pull/1054) - Template update to nf-core/tools v2.9
 - [PR #1058](https://github.com/nf-core/rnaseq/pull/1058) - Use `nf-validation` plugin for parameter and samplesheet validation
-- [PR #1068](https://github.com/nf-core/rnaseq/pull/1068) - Update untar
+- [PR #1068](https://github.com/nf-core/rnaseq/pull/1068) - Update `grep` version for `untar` module
 
 ## [[3.12.0](https://github.com/nf-core/rnaseq/releases/tag/3.12.0)] - 2023-06-02