feat: added renameIcon script

[jguddas]

Examples:
#1629
#1628

[jguddas]

sh or mjs, what is better?

[jmsv]

sh or mjs, what is better?

I'd go for mjs because it's OS-agnostic, consistent with other lucide scripts, and (imo at least) it's easier to work with, especially for more complex stuff

For example it'd be cool if this script could handle regex replace. Would be helpful for renaming lots of things with similar names, e.g. all of the user*-2 icons as-discussed in #1620

Also in this case the sh depends on jq being installed but the mjs only depends on simple-git which is already in devDependencies

[ericfennis]

Nice script!
I think we can also add this to the package.json scripts.

We should also add a documentation section in the contribution guidelines about this line.

[github-actions]

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