update CHANGELOG

Author: maxulysse

CHANGELOG.md

@@ -62,6 +62,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [#578](https://github.com/nf-core/sarek/pull/578) - Updated module deeptools/bamcoverage
 - [#585](https://github.com/nf-core/sarek/pull/585) - Remove explicit BAM to CRAM conversion after MarkduplicatesSpark; tool does it internally
 - [#581](https://github.com/nf-core/sarek/pull/581) - `TIDDIT` is updated to `3.1.0`
+- [#593](https://github.com/nf-core/sarek/pull/593) - update `ensembl-vep` cache version and module
 
 ### Fixed