CCM-10004: dependabot updates (#630)

Author: mark-r-bjss

frontend/package.json

@@ -34,12 +34,10 @@
     "@types/react": "^19.0.12",
     "@types/react-dom": "^19.0.4",
     "constructs": "^10.4.2",
-    "eslint-config-next": "^15.2.3",
+    "eslint-config-next": "^15.4.6",
     "jest-mock-extended": "^3.0.7",
     "js-cookie": "^3.0.5",
     "mochawesome": "^7.1.3",
-    "pa11y-ci": "^3.1.0",
-    "pa11y-ci-reporter-html": "^7.0.0",
     "pm2": "^5.4.3",
     "prettier": "^3.5.3",
     "sass": "^1.86.0",