ACT rules update from w3c/wcag-act-rules@8d96adf

Author: github-actions

guidelines/act-mapping.json

@@ -12,7 +12,7 @@
       "proposed": false,
       "frontmatter": {
         "id": "5f99a7",
-        "name": "ARIA  attribute is defined in WAI-ARIA",
+        "name": "ARIA attribute is defined in WAI-ARIA",
         "rules_format": 1.1,
         "rule_type": "atomic",
         "description": "This rule checks that each `aria-` attribute specified is defined in ARIA 1.2.\n",