🔧 chore(lighthouse): change responsive images rule to error

Updates the Lighthouse CI configuration to treat unoptimized images
more strictly by changing the status of the rule from a warning to
an error while maintaining the same threshold.

Author: w3bdesign

lighthouserc.json

@@ -28,7 +28,7 @@
         "categories:accessibility": ["warn", { "minScore": 0.9 }],
         "categories:best-practices": ["warn", { "minScore": 0.9 }],
         "categories:seo": ["warn", { "minScore": 0.9 }],
-        "uses-responsive-images": ["warn", { "maxWastedBytes": 102400 }],
+        "uses-responsive-images": ["error", { "maxWastedBytes": 102400 }],
         "uses-http2": "off"
       }
     }