Update version (#2749)

Author: pvcraven

CHANGELOG.md

@@ -3,13 +3,12 @@
 You can grab pre-release versions from PyPi. See the available versions from the
 Arcade [PyPi Release History](https://pypi.org/project/arcade/#history) page.
 
-## Unreleased
+## 3.3.2
 
 - GUI
  - Fix UIScrollBar creation
  - Fix memory leak: widgets were not garbage collected
 
-
 ## 3.3.1
 
 - Fixed an issue causing NinePatch to not render correctly

arcade/VERSION

@@ -1 +1 @@
-3.3.1
+3.3.2