fix: apply pypi's versioning

jeertmans · jeertmans · commit 138cf014d223 · 2022-09-15T15:12:17.000+02:00
diff --git a/manim_slides/__version__.py b/manim_slides/__version__.py
@@ -1 +1 @@
-__version__ = "4-rc.1"
+__version__ = "4.0.0rc1"
