Bump Go to v1.22.2

https://groups.google.com/g/golang-announce/c/YgW0sx8mN3M/m/khALNYGdAAAJ
https://go.dev/doc/devel/release#go1.22.2
https://github.com/golang/go/issues?q=milestone%3AGo1.22.2+label%3ACherryPickApproved

Fixes CVE-2023-45288.

Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>

embedded-bins/Makefile.variables

@@ -1,7 +1,7 @@
 alpine_version = 3.19
 alpine_patch_version = $(alpine_version).0
 golang_buildimage=docker.io/library/golang:$(go_version)-alpine$(alpine_version)
-go_version = 1.22.1
+go_version = 1.22.2
 
 runc_version = 1.1.12
 runc_buildimage = $(golang_buildimage)