update copyright dates from daily grunt work

phetsims · Mar 24, 2022 · 3578742 · 3578742
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diff --git a/js/demo/sim-like-components/model/Ball.ts b/js/demo/sim-like-components/model/Ball.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2021, University of Colorado Boulder
+// Copyright 2018-2022, University of Colorado Boulder
 
 /**
  * simple model of a ball

diff --git a/js/demo/sim-like-components/model/SimLikeComponentsModel.ts b/js/demo/sim-like-components/model/SimLikeComponentsModel.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2020, University of Colorado Boulder
+// Copyright 2018-2022, University of Colorado Boulder
 
 /**
  * A model that exists only for the purposes of demonstrating sonification, particularly how view and model elements are

diff --git a/js/demo/sim-like-components/view/SimLikeComponentsScreenView.ts b/js/demo/sim-like-components/view/SimLikeComponentsScreenView.ts
@@ -1,4 +1,4 @@
-// Copyright 2018-2021, University of Colorado Boulder
+// Copyright 2018-2022, University of Colorado Boulder
 
 /**
  * view for a screen that demonstrates views and sounds for components that interact with the model in some way

diff --git a/js/sound-generators/PitchedPopGenerator.js b/js/sound-generators/PitchedPopGenerator.js
@@ -1,4 +1,4 @@
-// Copyright 2018-2020, University of Colorado Boulder
+// Copyright 2018-2022, University of Colorado Boulder
 
 /**
  * sound generator that produces a popping sound with controllable pitch