add(rpc): getblock: return transaction details with verbosity=2 #2316

Job	Run time
Check deny.toml bans	43s
Check Cargo.lock is up to date	59s
Check deny.toml bans --features default-release-binaries	42s
Install zebrad from lockfile without cache on ubuntu-latest	8m 49s
Check deny.toml bans --all-features	46s
Test stable on ubuntu-latest	29m 30s
Check deny.toml sources	43s
Test beta on ubuntu-latest	29m 28s
Check deny.toml sources --features default-release-binaries	43s
Check for unused dependencies	8s
Test stable on macos-latest	33m 56s
Check deny.toml sources --all-features	44s
Test stable on windows-latest	1h 2m 20s
Test beta on windows-latest	1h 2m 13s
Open or update issues for OS integration failures	0s
	3h 51m 44s

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