refactor: split ulxly command into subcommand packages #2652

Job	Run time
Check gen-json-rpc-types generated files	57s
Install go package	27s
Check gen-load-test-modes generated files	56s
Lint	58s
Check gen-go-bindings generated files	58s
Check gen-proto generated files	43s
Test	58s
Run loadtest (anvil)	58s
Check gen-doc generated files	57s
Run loadtest (geth)	58s
typos	4s
	8m 54s

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