[llvm] [llvm-cov] Coverage report HTML UI to jump between uncovered parts of code (PR #95662)

[Hana Dusíková via llvm-commits]

hanickadot wrote:

Screenshot before:
<img width="950" alt="Screenshot 2024-06-15 at 17 35 43" src="https://github.com/llvm/llvm-project/assets/6557263/6fbd7fd8-6722-4ae9-8483-690ab08b4eb1">
[video link](https://youtu.be/B48yDtQq2FE)

Screenshot after:
<img width="956" alt="Screenshot 2024-06-15 at 17 35 06" src="https://github.com/llvm/llvm-project/assets/6557263/a5434d32-926c-4311-a6f8-c18b71e5acd0">
[video link](https://youtu.be/LEgrRTa5B4E)


https://github.com/llvm/llvm-project/pull/95662