Add Related project set-error-class

Author: ehmicky

README.md

@@ -306,6 +306,8 @@ logProcessErrors({ colors: false })
   Normalize exceptions/errors
 - [`merge-error-cause`](https://github.com/ehmicky/merge-error-cause): Merge an
   error with its `cause`
+- [`set-error-class`](https://github.com/ehmicky/set-error-class): Properly
+  update an error's class
 - [`set-error-message`](https://github.com/ehmicky/set-error-message): Properly
   update an error's message
 - [`set-error-props`](https://github.com/ehmicky/set-error-props): Properly