build: prepare v0.18.4.0

[selsta]

No description provided.

[plowsof]

monero-blockchain-export --data-dir /var/lib/monero/.bitmonero --blocksdat --output-file blockchain.dat --block-stop 3333000
sha256sum blockchain.dat 
949ddbdb10b60fb4d3cfc9edb4bee41b52e662c2b7b4af8b43285ee38fed8296  blockchain.dat

height="3333000"
difficulty="0x5c7d93afaa02fe0"
hash="6884cd02a4eb4dd885f2b41bebaa063dda2645e510ed10c1cb0d12f75c3f6a47"
node=127.0.0.1:18081
REQ=$(curl http://${node}/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"get_block_header_by_height","params":{"height":'${height}'}}' -H 'Content-Type: application/json')
DATA=$(echo $REQ | jq '.result.block_header')
actual_difficulty=$(echo $DATA | jq -r '.wide_cumulative_difficulty' )
actual_hash=$(echo $DATA | jq -r '.hash')
if [ "$actual_hash" != "$hash" ]; then 
        echo "hashes don't match"; exit
fi
if [ "$difficulty" != "$actual_difficulty" ]; then
        echo "difficulty not equal"; exit
fi
echo "OK"

✔️

[0xFFFC0000]

LGTM