Update ci.yml (#1060)

save unique artifacts

Author: rieder

.github/workflows/ci.yml

@@ -89,11 +89,14 @@ jobs:
         amusifier --get-amuse-configmk
         pip list
 
+    - name: move build log
+      run: |
+        mv build.log build-${{ matrix.mpi }}-${{ matrix.python }}.log
     - name: archive build log
       uses: actions/upload-artifact@v4
       with:
           name: buildlog
-          path: build.log
+          path: build-${{ matrix.mpi }}-${{ matrix.python }}.log
 
     - name: test core_tests
       run: |