Copyright for rust-dbus-tree source package in Jammy

Copyright: 2014-2018 David Henningsson  and other contributors
License: Apache-2.0

Files: debian/*
Copyright:
 2021 Debian Rust Maintainers 
 2021 Carlos F. Sanz 
License: Apache-2.0 or MIT

License: Apache-2.0
 Debian systems provide the Apache 2.0 license in
 /usr/share/common-licenses/Apache-2.0

License: MIT
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