Add support for alias on `stellar events`. #443

Job	Run time
build (stellar-cli, stellar, ubuntu-20.04, x86_64-unknown-linux-gnu)	13m 34s
build (stellar-cli, stellar, ubuntu-20.04, aarch64-unknown-linux-gnu)	15m 9s
build (stellar-cli, stellar, macos-14, x86_64-apple-darwin)	14m 50s
build (stellar-cli, stellar, macos-12, aarch64-apple-darwin)	13m 8s
build (stellar-cli, stellar, windows-latest, x86_64-pc-windows-msvc, .exe)	21m 12s
build (soroban-cli, soroban, ubuntu-20.04, x86_64-unknown-linux-gnu)	14m 6s
build (soroban-cli, soroban, ubuntu-20.04, aarch64-unknown-linux-gnu)	16m 0s
build (soroban-cli, soroban, macos-14, x86_64-apple-darwin)	8m 48s
build (soroban-cli, soroban, macos-12, aarch64-apple-darwin)	22m 28s
build (soroban-cli, soroban, windows-latest, x86_64-pc-windows-msvc, .exe)	20m 16s
	2h 39m 31s

Provide feedback