fix(ci): fallback to npm install if ci fails

Author: Wacken2012

.github/workflows/accessibility-diff.yml

@@ -32,7 +32,8 @@ jobs:
 
       - name: Install dependencies
         run: |
-          npm ci
+          # prefer clean install, but fall back to `npm install` when lockfile and package.json are out of sync
+          npm ci || npm install --no-audit --no-fund
 
       - name: Install Playwright browsers and dependencies
         run: |