build: Bump go version to 1.22

At least one of the requires, github.com/aws/smithy-go, bumped its
minimum go version requirement to 1.22.

Signed-off-by: Anoop C S <anoopcs@cryptolab.net>

Author: anoopcs9

go.mod

@@ -1,6 +1,6 @@
 module github.com/ceph/go-ceph
 
-go 1.21
+go 1.22
 
 require (
 	github.com/aws/aws-sdk-go-v2 v1.36.0