Add v0.3.2 to changelog

Author: 17o2

docs/CHANGELOG.md

@@ -19,6 +19,13 @@
 - Code improvements ([#246](https://github.com/wireviz/WireViz/pull/246), [#250](https://github.com/wireviz/WireViz/pull/250))
 
 
+## [0.3.2](https://github.com/formatc1702/WireViz/tree/v0.3.2) (2021-11-27)
+
+### Hotfix
+
+- Adjust GraphViz generation code for compatibility with v0.18 of the `graphviz` Python package ([#258](https://github.com/formatc1702/WireViz/issues/258), [#262](https://github.com/formatc1702/WireViz/pull/261))
+
+
 ## [0.3.1](https://github.com/formatc1702/WireViz/tree/v0.3.1) (2021-10-25)
 
 ### Hotfix