Added cardano-testnet-8.4.0
From https://github.com/input-output-hk/cardano-node at dd4333fa841b415fb9d153c9106aa1c3e2874c10
From https://github.com/input-output-hk/cardano-node at dd4333fa841b415fb9d153c9106aa1c3e2874c10
timestamp = 2023-09-18T20:23:32Z
github = { repo = "input-output-hk/cardano-node", rev = "9a0898636a4ea13f720dc3c6c8789b27beeb37c9" }
subdir = 'cardano-testnet'
Prevent updating protocol version with `PParamUpdate`
Update tests to check optimization is applied properly
chore: some renames
Signed-off-by: Bassam Riman <[email protected]>