Auto merge of #25737 - jsjoeio:patch-1, r=paulrouget
Auto merge of #25737 - jsjoeio:patch-1, r=paulrouget

docs(README): update mac installation

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This clarifies the mac installation instructions.

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- [ ] `./mach build -d` does not report any errors
- [ ] `./mach test-tidy` does not report any errors
- [x] These changes fix #22905

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- [ ] There are tests for these changes OR
- [x] These changes do not require tests because it's a change to the `README`

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