Updates `HeaderProvider` interface to also return error #8110

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3 errors and 1 warning

Process completed with exit code 2.

cannot use c (variable of type *chain) as Chain value in return statement: *chain does not implement Chain (missing method GetChainInfo)

cannot use (*chain)(nil) (value of type *chain) as Chain value in variable declaration: *chain does not implement Chain (missing method GetChainInfo)

Restore cache failed: Dependencies file is not found in /home/runner/work/chainlink-common/chainlink-common. Supported file pattern: go.sum