💄(react) align actions column items on the right

The design-system guidelines tell that actions button must be aligned
on the right. To make this behavior effortless this feature adds a
special class to actions column to apply the correct css style in order
to achieve that.

.changeset/tall-pandas-care.md

@@ -0,0 +1,5 @@
+---
+"@openfun/cunningham-react": minor
+---
+
+add auto right alignment for the actions column in DataGrid