rip bors - switch to merge queues #3925

Job	Run time
clippy (macos-latest)	5m 49s
clippy (ubuntu-latest)	5m 33s
fmt	14s
clippy (windows-latest)	5m 31s
cargo-deny	22s
shellcheck	12s
test (macos-latest)	1m 40s
test (ubuntu-latest)	1m 8s
test (windows-latest)	2m 6s
check	21s
generate-matrix	23s
remote	2m 15s
bisect	7m 5s
foreign	2m 36s
target (${{ matrix.pretty }},${{ matrix.os }})	0s
docker-in-docker	4m 3s
podman	0s
publish	0s
conclusion	1s
Coverage	14s
	39m 33s

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