Feature request: nextest support for divan

[Walther]

The test runner nextest has support for running benchmarks with cargo nextest run --benches. Currently, benchmarks written with criterion create the necessary output for nextest to parse and understand.

It would be nice for divan to produce output in this format too. The format is not nextest-specific, to quote from the other issue:

Note that none of these changes do anything special for nextest -- they just make criterion implement more of the libtest command-line interface, just enough to make nextest happy.

Additional context:

• Original issue in nextest for requesting criterion support
• Pull request for implementing the expected output format in criterion

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Thanks again for creating such a wonderful library! 🧡