feat: add automatic releases #4

Job	Run time
release / Configure compilation targets	3s
release / get-next-version / Get next release version	16s
release / Test aarch64-unknown-linux-gnu	1m 33s
release / Test aarch64-unknown-linux-musl	1m 48s
release / Test i686-unknown-linux-gnu	1m 8s
release / Test i686-unknown-linux-musl	1m 12s
release / Test x86_64-apple-darwin	53s
release / Test x86_64-unknown-linux-gnu	52s
release / Test x86_64-unknown-linux-musl	1m 6s
release / (swiss-qr-bill-decoder, aarch64-apple-darwin)	2m 22s
release / (swiss-qr-bill-decoder, aarch64-unknown-linux-gnu)	1m 53s
release / (swiss-qr-bill-decoder, aarch64-unknown-linux-musl)	1m 48s
release / (swiss-qr-bill-decoder, i686-unknown-linux-gnu)	1m 45s
release / (swiss-qr-bill-decoder, i686-unknown-linux-musl)	1m 54s
release / (swiss-qr-bill-decoder, x86_64-apple-darwin)	1m 50s
release / (swiss-qr-bill-decoder, x86_64-unknown-linux-gnu)	1m 32s
release / (swiss-qr-bill-decoder, x86_64-unknown-linux-musl)	1m 31s
release / Release	0s
	23m 26s

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