update changelog

CHANGELOG.md

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 * `__merge__`: Handle invalid yaml during merging (PR #570). There was not enough error handling during this operation. Switched to the more advanced `Convert.textToJson` helper method.
 
+# Viash 0.8.1 (2023-11-20): Minor bug fix to Nextflow workflows
 
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+This release fixes a bug in the Nextflow platform where calling a workflow with the `.run()` function without specifying the `fromState` argument would result in an error when the input channel contained tuples with more than two elements.
 
 ## BUG FIXES
 
-* `NextflowPlatform`: Fix `Invalid method invocation 'call'` error when using `.run()` without `fromState` defined and the input channel holds tuples with more than two elements (PR #587). This issue also impacts some other helper functionality like `runEach()`. 
+ `NextflowPlatform`: Fix error when using `.run()` without using `fromState` and the input channel holds tuples with more than two elements (PR #587).
 
 # Viash 0.8.0 (2023-10-23): Nextflow workflows and dependencies