metadata tweaks

autobuild.xml

@@ -2597,7 +2597,7 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
       <key>canonical_repo</key>
       <string>https://git.alchemyviewer.org/alchemy</string>
       <key>copyright</key>
-      <string>Copyright (c) 2021, Alchemy Development Group</string>
+      <string>Copyright (c) 2013-2023, Alchemy Development Group</string>
       <key>description</key>
       <string>Alchemy Viewer</string>
       <key>license</key>