Thanks to this GitHub thread, I was able to solve this. This basically helps Snyk to remove scanning issue on the nth-check.
"dependencies": {
"react-scripts": "^5.0.1",
"web-vitals": "^2.1.4",
"nth-check": "^2.1.1"
},
"overrides": {
"nth-check": "^2.1.1",
"postcss":"^8.4.38"
}
See more : GitHub Answer