Update deps

vendor/github.com/jonboulle/clockwork/README.md

@@ -36,6 +36,7 @@ Now you can easily test `myFunc` with a `FakeClock`:
 
 ```go
 func TestMyFunc(t *testing.T) {
+	ctx := context.Background()
 	c := clockwork.NewFakeClock()
 
 	// Start our sleepy function
@@ -46,8 +47,12 @@ func TestMyFunc(t *testing.T) {
 		wg.Done()
 	}()
 
-	// Ensure we wait until myFunc is sleeping
-	c.BlockUntil(1)
+	// Ensure we wait until myFunc is waiting on the clock.
+	// Use a context to avoid blocking forever if something
+	// goes wrong.
+	ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
+	defer cancel()
+	c.BlockUntilContext(ctx, 1)
 
 	assertState()