all: use reflect.TypeFor now available in Go 1.22 (#11078)

Updates #cleanup

Signed-off-by: Joe Tsai <joetsai@digital-static.net>

ssh/tailssh/tailssh_test.go

@@ -1154,7 +1154,7 @@ func TestPathFromPAMEnvLineOnNixOS(t *testing.T) {
 }
 
 func TestStdOsUserUserAssumptions(t *testing.T) {
-	v := reflect.TypeOf(user.User{})
+	v := reflect.TypeFor[user.User]()
 	if got, want := v.NumField(), 5; got != want {
 		t.Errorf("os/user.User has %v fields; this package assumes %v", got, want)
 	}