Support --url option in all Truffle CLI commands that accept a network

[acuarica]

• I've discussed with @gnidan and @haltman-at before filing this issue.

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Issue

Some Truffle CLI commands need a network connection to perform their action. Here is a non-exhaustive list of these commands: console, debug, deploy/migrate, exec, test, and run. All these commands accept the --network option, that allows the user to indicate the network name as declared in truffle-config.js.

However, only console and debug commands have an alternative option to specify the network. They accept the --url option to indicate the provider url to use.

It would be a great addition to Truffle to make all commands that accept a connection consistent. That is, to add the --url option to the rest of commands deploy/migrate, exec, test and run.

Environment

• Truffle version (truffle version): v5.6.5 (core: 5.6.5)
• node version (node --version): v16.18.0
• npm version (npm --version): 8.19.2