Copyright year fixes (#97)

Signed-off-by: Dmitry Kornilov <dmitry.kornilov@oracle.com>

Author: m0mus

api/pom.xml

@@ -346,7 +346,7 @@
                     <doctitle>Jakarta Annotations ${project.version} API Specification</doctitle>
                     <header><![CDATA[<br>Jakarta Annotations API v${project.version}]]></header>
                     <bottom><![CDATA[
-                    Copyright &#169; 2019, 2020 Eclipse Foundation. All rights reserved.<br>
+                    Copyright &#169; 2019, 2021 Eclipse Foundation. All rights reserved.<br>
                     Use is subject to <a href="{@docRoot}/doc-files/EFSL.html" target="_top">license terms</a>.]]>
                     </bottom>
                 </configuration>

spec/src/main/asciidoc/license-efsl.adoc

@@ -13,7 +13,7 @@ endif::[]
 
 Release: {revdate}
 ....
-Copyright (c) 2020 Eclipse Foundation.
+Copyright (c) 2021 Eclipse Foundation.
 
 === Eclipse Foundation Specification License