Bump version (#681)

Author: almarklein

wgpu/_version.py

@@ -10,7 +10,7 @@
 
 # This is the reference version number, to be bumped before each release.
 # The build system detects this definition when building a distribution.
-__version__ = "0.19.3"
+__version__ = "0.20.0"
 
 # Allow using nearly the same code in different projects
 project_name = "wgpu"