[llvm] [SPIR-V] Add pre-commit CI workflow (PR #74092)

[Michal Paszkowski via llvm-commits]

michalpaszkowski wrote:

I noticed that some recent runs are failing (e.g. [this one](https://github.com/llvm/llvm-project/actions/runs/12620519287/job/35166312082)) on the _Setup ccache_ step:
```
/usr/bin/docker exec  9478d844c1eb517a405cdbc48edf97b2a87b3e96623dd6b74fc397265a41e6cc sh -c "cat /etc/*release | grep ^ID"
Install sccache
  /usr/bin/sh -xc curl -L 'https://github.com/mozilla/sccache/releases/download/v0.7.6/sccache-v0.7.6-x86_64-unknown-linux-musl.tar.gz' | tar xzf - -O --wildcards '*/sccache' > '/usr/local/bin/sccache'
  + curl -L https://github.com/mozilla/sccache/releases/download/v0.7.6/sccache-v0.7.6-x86_64-unknown-linux-musl.tar.gz
  /usr/bin/sh: 1: cannot create /usr/local/bin/sccache: Permission denied
    % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                   Dload  Upload   Total   Spent    Left  Speed
  
    0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
    0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  
    0 9007k    0  4937    0     0  14185      0  0:10:50 --:--:--  0:10:50 14185
  curl: ([23](https://github.com/llvm/llvm-project/actions/runs/12620519287/job/35166312082#step:7:24)) Failure writing output to destination
  Error: Restoring cache failed: Error: The process '/usr/bin/sh' failed with exit code 2
```

@tstellar Do you have any suggestions what might be causing this issue?

https://github.com/llvm/llvm-project/pull/74092