[Update Snap] FinTax for Crypto Tax

[Montoya]

Checklist

All items in the list below needs to be satisfied.

• Is the summary of the change documented in this ticket?
• Has a MetaMask Snaps team member reviewed whether the changes need to be vetted?
• If there are changes that need to be vetted, attach a description and the relevant fixes/remediations to this issue.
• The corresponding pull request in this repo has been merged.

[Montoya]

Diff: InTaxDev/fintax-snap@v0.1.4...v0.1.5

Changes:

1. API URL updated
2. Single quotes replaced with double quotes
3. App icon updated

New version is 0.1.5