📝 Update copyright message

Author: nicoverbruggen

phpmon/Info.plist

@@ -27,7 +27,7 @@
 	<key>LSUIElement</key>
 	<true/>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2019 Nico Verbruggen. All rights reserved.</string>
+	<string>Copyright © 2020 Nico Verbruggen. All rights reserved.</string>
 	<key>NSMainStoryboardFile</key>
 	<string>Main</string>
 	<key>NSPrincipalClass</key>