Fix artifact name

Author: plar

.github/workflows/go.yml

@@ -61,7 +61,7 @@ jobs:
 
     - uses: actions/upload-artifact@v4
       with:
-        name: coverage report ${{ matrix.go }} ${{ matrix.os }}
+        name: art.coverage.${{ matrix.go }}.${{ matrix.os }}
         path: art.coverage.${{ matrix.go }}.${{ matrix.os }}.html
 
     - name: "Run go benchmarks"