Update dependency critical to v8 (#1071)

Author: renovate[bot]

package.json

@@ -51,7 +51,7 @@
 		"browserslist": "4.28.2",
 		"clean-webpack-plugin": "4.0.0",
 		"create-pwa": "2.7.0",
-		"critical": "7.2.1",
+		"critical": "8.0.0",
 		"css-loader": "7.1.4",
 		"cssnano": "8.0.1",
 		"eslint": "10.3.0",