build(docs-infra): update lighthouse to 6.5.0 (#39928)

This commit updates the `lighthouse` package to version 6.5.0 to take
advantage of the latest fixes and audits.

PR Close #39928

aio/package.json

@@ -147,7 +147,7 @@
     "karma-jasmine": "~4.0.0",
     "karma-jasmine-html-reporter": "^1.5.0",
     "light-server": "^2.6.2",
-    "lighthouse": "6.1.0",
+    "lighthouse": "^6.5.0",
     "lighthouse-logger": "^1.2.0",
     "lodash": "^4.17.4",
     "lunr": "^2.1.0",

aio/scripts/test-aio-a11y.js

@@ -27,7 +27,7 @@ const MIN_SCORES_PER_PAGE = {
   'cli/add': 98,
   'docs': 100,
   'guide/docs-style-guide': 95,
-  'start': 97,
+  'start': 98,
 };
 
 // Run