[VOL-5053] - Pre-release triage build of voltha-lib-go

VERSION
-------
  o Bump VERISON file for a *-dev build.

pkg/config/common.go
pkg/db/backend.go
pkg/events/events_proxy.go
pkg/events/events_proxy_test.go
pkg/events/utils.go
pkg/flows/common.go
-------------------------------
  o Cosmetic edits to enable a triage build.
  o Update copyright notice on a few files to span 2023.

Change-Id: I764a31b3e0c17f4883cbec379c5ce835d897330b
diff --git a/pkg/db/backend.go b/pkg/db/backend.go
index 31f100b..8cc1e62 100644
--- a/pkg/db/backend.go
+++ b/pkg/db/backend.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-present Open Networking Foundation
+ * Copyright 2018-2023 Open Networking Foundation (ONF) and the ONF Contributors
 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.