[macOS] set copyright to Info.plist

CMakeLists.txt

@@ -603,9 +603,11 @@ elseif(APPLE_MACOS AND NOT ENABLE_MONOLITHIC_INSTALL)
 
 	include(GetGitRevisionDescription)
 	get_git_head_revision(GIT_REFSPEC GIT_SHA1)
+	string(TIMESTAMP CURRENT_YEAR "%Y")
 
 	set(MACOSX_BUNDLE_NAME "${CMAKE_PROJECT_NAME}")
 	set(MACOSX_BUNDLE_BUNDLE_NAME "${CMAKE_PROJECT_NAME}")
+	set(MACOSX_BUNDLE_COPYRIGHT "Copyright © 2007-${CURRENT_YEAR} VCMI team")
 	set(MACOSX_BUNDLE_GUI_IDENTIFIER "eu.vcmi.vcmi")
 	set(MACOSX_BUNDLE_BUNDLE_VERSION ${GIT_SHA1})
 	set(MACOSX_BUNDLE_SHORT_VERSION_STRING ${APP_SHORT_VERSION})