Fix ci.yml

Author: yanorei32

.github/workflows/ci.yml

@@ -140,7 +140,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4.6.2
         with:
-          name: digests-${{ env.PLATFORM_PAIR }}
+          name: digests-${{ matrix.mcarch }}
           path: /tmp/digests/*
           if-no-files-found: error
           retention-days: 1