Athena: Initial POC integration #21231

Job	Run time
filter-changes	3s
coverage	16m 25s
build (ubuntu-22.04)	43s
build (ubuntu-latest-arm-8-cores)	1m 56s
lint	2m 32s
quicktests	1m 53s
build (macos-13)	1m 39s
build (self-hosted, macOS, ARM64, go-spacemesh)	27s
unittests (ubuntu-22.04)	17m 55s
unittests (ubuntu-latest-arm-8-cores)	16m 37s
unittests (self-hosted, macOS, ARM64, go-spacemesh)	17m 42s
ci-status	5s
	1h 17m 57s

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