explain `merge+no rebase` in CONTRIBUTING.md #4299

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7 warnings

As of 2023-09-09, haskell/action/setup is no longer maintained, please switch to haskell-actions/setup (note: dash for slash).

The import of ‘Test.Tasty.ExpectedFailure’ is redundant

Defined but not used: ‘licenseExceptionIdBinaryPut’

Defined but not used: ‘licenseExceptionIdBinaryGet’

Pattern match(es) are non-exhaustive

Defined but not used: ‘options_9_2_all’

Defined but not used: ‘options_9_2_affects’