doc/tutorial: skip module.cue as a golden file to avoid churn

Otherwise we need to update this file every time we bump
cmd/cue's fallbackVersion, such as for v0.8.0-rc.1.
Ultimately, tracking the contents of this file does not matter.

Signed-off-by: Daniel Martí <mvdan@mvdan.cc>
Change-Id: Ib250a127f952f219e3336e23bd64440205341c96
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1178190
TryBot-Result: CUEcueckoo <cueckoo@gmail.com>
Unity-Result: CUE porcuepine <cue.porcuepine@gmail.com>
Reviewed-by: Paul Jolly <paul@myitcv.io>

doc/tutorial/kubernetes/tut_test.go

@@ -225,6 +225,9 @@ func TestTutorial(t *testing.T) {
 		}
 
 		err = filepath.WalkDir(dir, func(path string, entry fs.DirEntry, err error) error {
+			if filepath.Base(path) == "module.cue" {
+				return nil // avoid language.version noise
+			}
 			if isCUE(path) {
 				dst := path[len(dir)+1:]
 				err := os.MkdirAll(filepath.Dir(dst), 0755)
@@ -246,6 +249,9 @@ func TestTutorial(t *testing.T) {
 		if err != nil {
 			t.Fatal(err)
 		}
+		if filepath.Base(path) == "module.cue" {
+			return nil // avoid language.version noise
+		}
 		if filepath.Ext(path) != ".cue" {
 			return nil
 		}