xtest: Version bump 2.1..2.2
xtest: Version bump 2.1..2.2

The implemented and upstream version is 2.2.

Signed-off-by: Daniel Martin <5ae2633454ceb931c1fd86ffad586b4dfc721833@gmail.com>
Signed-off-by: Peter Harris <859d2524afe9d1b926cf5c02089ad1cbab640cc0@opentext.com>

nbaum/xcb-proto,nbaum/xcb-proto