abi-compare workflow broken

[nikic]

The abi-compare workflow always fails with (e.g. https://github.com/llvm/llvm-project-release-prs/actions/runs/6335589443/job/17208905860?pr=712):

ERROR: can't access 'build-baseline/*.abi'

cc @tru @tstellar

[tstellar]

I think it needs the same fix that we did for the libclang abi check: 99fb0af

[llvmbot]

@llvm/issue-subscribers-infrastructure

The abi-compare workflow always fails with (e.g. https://github.com/llvm/llvm-project-release-prs/actions/runs/6335589443/job/17208905860?pr=712): ``` ERROR: can't access 'build-baseline/*.abi' ```

cc @tru @tstellar