Update license year

pllim · web-flow · commit e16512743fc4 · 2021-02-18T15:20:59.000-05:00
[ci skip]
diff --git a/LICENSE.rst b/LICENSE.rst
@@ -1,4 +1,4 @@
-Copyright (c) 2018, Astropy Developers
+Copyright (c) 2018-2021, Astropy Developers
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-Copyright (c) 2018, Astropy Developers`
	`1`	`+Copyright (c) 2018-2021, Astropy Developers`
`2`	`2`	`All rights reserved.`
`3`	`3`
`4`	`4`	`Redistribution and use in source and binary forms, with or without modification,`