[generic-experiment] WRITE_OUTERSPACE -> ACCESS_OUTERSPACE

This is a breaking change. However, the name is and always was
misleading. Therefore, we change it to the correct name.

.editorconfig

@@ -8,7 +8,7 @@ root = true
 end_of_line = lf
 insert_final_newline = true
 
-[{**/*.cc,**/*.hpp,**/*.ah,**/*.ah.in}]
+[{**/*.cc,**/*.hpp,**/*.ah,**/*.ah.in,**/*.proto}]
 indent_style = tab
 indent_size = 4