Fail with yarn deploy

[Vatsov]

To Reproduce
npx yarn deploy --network polygon

The result is:

No need to generate any newer typings.
ProviderError: execution aborted (timeout = 14s)
    at HttpProvider.request (/poly-flash/node_modules/hardhat/src/internal/core/providers/http.ts:49:19)
    at LocalAccountsProvider.request (/poly-flash/node_modules/hardhat/src/internal/core/providers/accounts.ts:181:36)
    at processTicksAndRejections (internal/process/task_queues.js:95:5)
    at async EthersProviderWrapper.send (/poly-flash/node_modules/@nomiclabs/hardhat-ethers/src/internal/ethers-provider-wrapper.ts:13:20)

Desktop (please complete the following information):

• OS: macOS
• Version 12.0.1