LICENSE.md: add 2023 to copyright years

stephengold · stephengold · commit 00a859709032 · 2023-01-06T22:59:46.000-08:00
diff --git a/LICENSE.md b/LICENSE.md
@@ -1,4 +1,4 @@
-Copyright (c) 2009-2022 jMonkeyEngine.
+Copyright (c) 2009-2023 jMonkeyEngine.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-Copyright (c) 2009-2022 jMonkeyEngine.`
	`1`	`+Copyright (c) 2009-2023 jMonkeyEngine.`
`2`	`2`
`3`	`3`	`Redistribution and use in source and binary forms, with or without`
`4`	`4`	`modification, are permitted provided that the following conditions`