Use absolute path in one more place

.github/workflows/build.yml

@@ -25,7 +25,7 @@ jobs:
  id: cache
  uses: actions/cache@v4
  with:
- path: binarybuilder_storage
+ path: ${{ github.workspace }}/binarybuilder_storage
  key: ${{ matrix.target }}
  - name: Build LLVM assert on ${{ matrix.target }}
  id: build