isocpp / isocpp/CppCoreGuidelines

P.3 needs to be updated now the Ranges TS is part of the standard

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Since Jan 27, 2022.

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Description

I propose that the second example is removed:

for_each(par, v, [](int x) { /* do something with the value of x */ });

as passing an ExecutionPolicy is not possible in the final version

To avoid confusion with (std::)for_each, I would also suggest that ranges::for_each is used.

Related: #1254

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