Fix "should_instrument" decision when given negative testMatch pattern

[g-harel]

Summary

Files that match with the testFiles configuration aren't instrumented for test coverage.

This check was being done with multimatch.any which behaves unexpectedly when given an inverse glob pattern (!**/dont/**/*.js).

Issue: #7165
Reproduction: https://github.com/g-harel/jest-7165

Test plan

I've modified an existing test case to verify that the fix works.

I also linked my local fork to the reproduction project to confirm that the change had the intended effect.

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[SimenB]

Can you update the changelog?

[g-harel]

@SimenB done ✔️

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