ENH: Allow kwargs for Entity.update in Entity.update_acl

Summary

For https://gitlab.indiscale.com/caosdb/customers/geomar/management/-/issues/255, implements https://gitlab.com/linkahead/linkahead-pylib/-/issues/112. Simply allow to pass through **kwargs to the underlying Entity.update() call, thus allowing a unique=False.

Focus

**kwargs are just passed through. Also look at the new docstring.

Test Environment

Integration tests in caosdb-pyinttest!77.

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CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * Support for Python 3.12
 * The `linkahead` module now opts into type checking and supports mypy.
+* [#112](https://gitlab.com/linkahead/linkahead-pylib/-/issues/112)
+  `Entity.update_acl` now supports optional `**kwargs` that are passed to the
+  `Entity.update` method that is called internally, thus allowing, e.g.,
+  updating the ACL despite possible naming collisions with `unique=False`.
 
 ### Changed ###