rainbow kit upgrade

[thelostone-mc]

• Ensure rainbowkit , wagmi, viem are updated to the latest across dapps
• forces pnpm to use version 9
• remove deprecated code
• update tests to reflect upgrades

fixes #3519

https://builder-staging-git-bk-grants-stack.vercel.app/#/chains/11155111/registry/0x/projects/0x12ab0bc22652005d71c6ab275b9f4403e972f806222167b45e6fd913a77ec25b

[vercel[bot]]

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[sentry-io[bot]]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ TypeError: Cannot read properties of undefined (reading 'map') async Promise.all(index 0) View Issue
• ‼️ TypeError: Cannot read properties of undefined (reading 'address') getEthersSigner(app/wagmi) View Issue
• ‼️ UserRejectedRequestError: User rejected the request. getEthersSigner(app/wagmi) View Issue
• ‼️ UserRejectedRequestError: User rejected the request. getEthersSigner(app/wagmi) View Issue
• ‼️ TypeError: Cannot read properties of undefined (reading 'map') async Promise.all(index 0) View Issue

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