[llvm] [ThinLTO]Sort imported GUIDs before cache key update (PR #92622)

[Mingming Liu via llvm-commits]

minglotus-6 wrote:

Test failure is irrelevant.

```
cat github-pull-requests_build_65187_linux-linux-x64.log | grep -B 5 -A 10 "Failed Tests"
[0.20s,0.30s) :: [***********                             ] :: [120/418]
[0.10s,0.20s) :: [******************                      ] :: [191/418]
[0.00s,0.10s) :: [*******                                 ] :: [ 74/418]
--------------------------------------------------------------------------
********************
Failed Tests (1):
  BOLT :: RISCV/unnamed-sym-no-entry.c


Testing Time: 2.47s

Total Discovered Tests: 431
  Skipped          :   7 (1.62%)
  Unsupported      :  13 (3.02%)
  Passed           : 409 (94.90%)
  Expectedly Failed:   1 (0.23%)
```

https://github.com/llvm/llvm-project/pull/92622