Example project remove pod install warnings

[albertopeam]

Summary of Changes

Fixes Example project pod install command warnings

Test Data or Screenshots

Fetch the branch code
Make a pod install without warnings
Open Example/myWeb3Wallet/myWeb3Wallet.xcworkspace and make a build without warnings from the Pod project

• I have reviewed the Contribution Guidelines.
• I have performed a self-review of my own code.
• I have updated my repository to match the develop branch.
• I have included test data or screenshots that prove my fix is effective or that my feature works.
• I have checked that all tests work and swiftlint is not throwing any errors/warnings.