Changelog update: grid keyboard navigation (#2762)
Changelog update: grid keyboard navigation (#2762)

* chore(IgxGrid): changelog update with changes in keyboard navigation bahaviour

* chore(IgxGrid): changelog update with keyboard navigation improvements

* chore(*): changelog update with keyboard navigation improvements

* chore(*): fix a typo #2762

Infragistics/zero-blocks,Infragistics/zero-blocks,Infragistics/zero-blocks