[Fuzzing X64] [MihaZupan] Add a script to generate code coverage reports aft ...

[MihuBot]

Job completed in 46 minutes 36 seconds (remote runner delay: 1 minute 39 seconds).

Using arguments: fuzz HttpHeaders -short -NoPRLink
Main commit: dotnet/runtime@c637246
PR commit: MihaZupan/runtime@12fe072

Ran the fuzzer(s) successfully.

Artifacts:

• HttpHeadersFuzzer-inputs.zip (2 MB)

[MihuBot]

@MihaZupan