.github: correctly name log zip file to be namespaced

Author: ellemouton

.github/workflows/main.yml

@@ -312,7 +312,7 @@ jobs:
       - name: Zip log files on failure
         if: ${{ failure() }}
         timeout-minutes: 5
-        run: 7z a logs-itest.zip itest/**/*.log
+        run: 7z a logs-itest-${{ matrix.name }}.zip itest/**/*.log
 
       - name: Upload log files on failure
         uses: actions/upload-artifact@v4