chore: Add scripts for proposal simulations

[MilGard91]

Context

We need a script to simulate and extract tx data for the governance proposal, so we can execute action easier

Changes proposed in this pull request

Add script to simulate and extract tx data for the governance proposal

Test plan

N/A

Checklist

• Rebased the base branch
• Attached corresponding Github issue
• Prefixed the name with the type of change (i.e. feat, chore, test)
• Performed a self-review of my own code
• Followed the style guidelines of this project
• Made corresponding changes to the documentation
• Didn't generate new warnings
• Didn't generate failures on existing tests
• Added tests that prove my fix is effective or that my feature works

Review

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• 🔨 = I believe this should be changed.
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• 🚀 = Feedback

[rackstar]

as discussed, only keep scripts/governance/get-createProposalWithSolution-txdata.js and stash the rest on a branch (in case we need them in the future)