Update Go version to 1.22.3 in go.mod

We now have to specify the full version to placate CodeQL:

github/codeql#15647

Maybe we can revert this back to the minor version only in future.

For now, we can specify the same version that we build with.

go.mod

@@ -1,6 +1,6 @@
 module github.com/sensiblecodeio/associate-ebs
 
-go 1.19
+go 1.22.3
 
 require github.com/aws/aws-sdk-go v1.53.4