spread: store artifacts

Author: Saviq

.github/workflows/spread.yml

@@ -134,15 +134,13 @@ jobs:
     - name: Run Spread task
       run: |
         tools/make_release_tarball --skip-checks
-        snap run spread-mir-ci.spread -reuse -v ${{ matrix.spread-task }}
+        snap run spread-mir-ci.spread -reuse -artifacts=./artifacts -v ${{ matrix.spread-task }}
 
-    - name: Upload Wayland Explorer JSON
-      if: endsWith(matrix['spread-task'], ':ubuntu')
+    - name: Upload artifacts
       uses: actions/upload-artifact@v4
       with:
-        name: mir.json
-        path: ${{ env.SPREAD_PATH }}/spread/sbuild/mir.json
-        if-no-files-found: error
+        name: ${{ matrix.spread-task }}-artifacts
+        path: artifacts/**
 
     - name: CCache stats
       run: cat ${CCACHE_DIR}/ccache.stats