docs: add changelog entry for v0.5.5 (#181)

Author: tobiasraabe

docs/source/changes.md

@@ -5,6 +5,12 @@ chronological order. Releases follow [semantic versioning](https://semver.org/)
 releases are available on [PyPI](https://pypi.org/project/pytask-parallel) and
 [Anaconda.org](https://anaconda.org/conda-forge/pytask-parallel).
 
+## 0.5.5 - 2026-08-23
+
+- {pull}`165` explicitly sets the distribution name to `pytask-parallel`. Previously,
+  the underscore-separated name was automatically hyphenated; it now needs to be
+  configured explicitly.
+
 ## 0.5.4 - 2026-05-01
 
 Properly releases changes from v0.5.3.