feat: add customizable upgrade message on client/server version mismatch (#11587)

cli/login.go

@@ -18,6 +18,7 @@ import (
 
 	"github.com/coder/pretty"
 
+	"github.com/coder/coder/v2/buildinfo"
 	"github.com/coder/coder/v2/cli/clibase"
 	"github.com/coder/coder/v2/cli/cliui"
 	"github.com/coder/coder/v2/coderd/userpassword"
@@ -175,7 +176,7 @@ func (r *RootCmd) login() *clibase.Cmd {
 			// Try to check the version of the server prior to logging in.
 			// It may be useful to warn the user if they are trying to login
 			// on a very old client.
-			err = r.checkVersions(inv, client)
+			err = r.checkVersions(inv, client, buildinfo.Version())
 			if err != nil {
 				// Checking versions isn't a fatal error so we print a warning
 				// and proceed.