[clang] [Modules] Enable MS Windows test for implicit-module-no-timestamp.cpp (PR #91738)

[Ivan Murashko via cfe-commits]

ivanmurashko wrote:

@dmpolukhin , the test was successfully passed on MS Windows. There is the corresponding record from the build log
```
_bk;t=1715380522596PASS: Clang :: Modules/implicit-module-no-timestamp.cpp (12618 of 20053)
```

https://github.com/llvm/llvm-project/pull/91738