update headers

Author: laves

binding/android/Cobra/cobra/src/main/java/ai/picovoice/cobra/Cobra.java

@@ -1,5 +1,5 @@
 /*
-    Copyright 2021-2022 Picovoice Inc.
+    Copyright 2021-2023 Picovoice Inc.
     You may not use this file except in compliance with the license. A copy of the license is
     located in the "LICENSE" file accompanying this source.
     Unless required by applicable law or agreed to in writing, software distributed under the

binding/android/CobraTestApp/cobra-test-app/src/androidTest/java/ai/picovoice/cobra/testapp/CobraTest.java

@@ -1,5 +1,5 @@
 /*
-    Copyright 2021 Picovoice Inc.
+    Copyright 2021-2023 Picovoice Inc.
     You may not use this file except in compliance with the license. A copy of the license is
     located in the "LICENSE" file accompanying this source.
     Unless required by applicable law or agreed to in writing, software distributed under the