Read the e2e Go version from go.mod and apply the safe go fix modernizers (#4677)

controllers/actions.github.com/ephemeralrunnerset_controller_test.go

@@ -1454,7 +1454,7 @@ var _ = Describe("Test EphemeralRunnerSet controller", func() {
 			).Should(BeEquivalentTo(3), "3 EphemeralRunner should be created")
 
 			idleRunnerNames := map[string]struct{}{}
-			for i := 0; i < 2; i++ {
+			for i := range 2 {
 				idleRunner := runnerList.Items[i].DeepCopy()
 				idleRunner.Status.Phase = v1alpha1.EphemeralRunnerPhaseRunning
 				idleRunner.Status.RunnerID = i + 101

controllers/actions.github.com/predicates_test.go

@@ -470,8 +470,8 @@ func TestPredicateProjectionsCoverEveryStatusField(t *testing.T) {
 	fieldNames := func(v any) []string {
 		typ := reflect.TypeOf(v)
 		names := make([]string, 0, typ.NumField())
-		for i := 0; i < typ.NumField(); i++ {
-			names = append(names, typ.Field(i).Name)
+		for field := range typ.Fields() {
+			names = append(names, field.Name)
 		}
 		sort.Strings(names)
 		return names