test

Discovery: Refactor and add Avahi DBus backend #2091

Job	Run time
cargo fmt	13s
cargo +stable clippy (ubuntu-latest)	6m 57s
cargo +1.75 check (ubuntu-latest)	7m 50s
cargo +stable check (ubuntu-latest)	5m 13s
cargo +1.75 check (windows-latest)	9m 10s
cargo +beta check (ubuntu-latest)	7m 41s
cross +1.75 build armv7-unknown-linux-gnueabihf	2m 40s
cargo +stable check (windows-latest)	8m 22s
cross +stable build armv7-unknown-linux-gnueabihf	2m 20s
cross +1.75 build aarch64-unknown-linux-gnu	2m 37s
cross +stable build aarch64-unknown-linux-gnu	2m 28s
cross +1.75 build riscv64gc-unknown-linux-gnu	2m 32s
cross +stable build riscv64gc-unknown-linux-gnu	1m 13s
	59m 16s

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