backend: add api key authentication #2098

Job	Run time
build-linux (x86_64-unknown-linux-gnu, cargo)	3m 59s
build-freebsd (14.2)	24m 3s
build-linux (aarch64-unknown-linux-gnu, cross)	13m 1s
build-macos (x86_64-apple-darwin, macos-13, x64-osx-release)	8m 21s
build-freebsd (13.4)	20m 5s
build-linux (x86_64-unknown-linux-musl, cross)	5m 35s
build-macos (aarch64-apple-darwin, macos-14, arm64-osx-release)	5m 28s
build-windows	8m 53s
build-linux (aarch64-unknown-linux-musl, cross)	12m 48s
build-docker	1m 56s
upload-release	0s
	1h 44m 9s

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