ENH: moving rc file for lighthouse

.github/lighthouse/main.json

@@ -1,8 +0,0 @@
-{
-  "ci": {
-    "collect": {
-      "staticDistDir": "./pwa/build",
-      "numberOfRuns": 3
-    }
-  }
-}

.github/workflows/lighthouse.yml

@@ -17,4 +17,4 @@ jobs:
       - name: run Lighthouse CI
         run: |
           npm install -g @lhci/cli@0.3.x
-          lhci autorun --config .github/lighthouse/main.json --rc-overrides.upload.target=temporary-public-storage
+          lhci autorun --upload.target=temporary-public-storage