fix package vulnerabilities

my-app/package-lock.json

@@ -31,6 +31,7 @@
         "i18next-xhr-backend": "^3.2.2",
         "material-ui-popup-state": "^5.1.0",
         "nth-check": "^2.1.1",
+        "postcss": "^8.5.2",
         "react": "^18.3.1",
         "react-bootstrap": "^2.10.2",
         "react-country-flag": "^3.1.0",
@@ -18252,7 +18253,7 @@
         "boolbase": "^1.0.0",
         "css-what": "^3.2.1",
         "domutils": "^1.7.0",
-        "nth-check": "^1.0.2"
+        "nth-check": "^2.0.1"
       }
     },
     "node_modules/react-scripts/node_modules/css-tree": {
@@ -18408,15 +18409,6 @@
         "mkdirp": "bin/cmd.js"
       }
     },
-    "node_modules/react-scripts/node_modules/nth-check": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/nth-check/-/nth-check-1.0.2.tgz",
-      "integrity": "sha512-WeBOdju8SnzPN5vTUJYxYUxLeXpCaVP5i5e0LF8fg7WORF2Wd7wFX/pk0tYZk7s8T+J7VLy0Da6J1+wCT0AtHg==",
-      "license": "BSD-2-Clause",
-      "dependencies": {
-        "boolbase": "~1.0.0"
-      }
-    },
     "node_modules/react-scripts/node_modules/semver": {
       "version": "7.7.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
@@ -18787,7 +18779,7 @@
         "adjust-sourcemap-loader": "^4.0.0",
         "convert-source-map": "^1.7.0",
         "loader-utils": "^2.0.0",
-        "postcss": "^7.0.35",
+        "postcss": "^8.4.31",
         "source-map": "0.6.1"
       },
       "engines": {
@@ -18812,29 +18804,6 @@
       "integrity": "sha512-ASFBup0Mz1uyiIjANan1jzLQami9z1PoYSZCiiYW2FczPbenXc45FZdBZLzOT+r6+iciuEModtmCti+hjaAk0A==",
       "license": "MIT"
     },
-    "node_modules/resolve-url-loader/node_modules/picocolors": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
-      "integrity": "sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==",
-      "license": "ISC"
-    },
-    "node_modules/resolve-url-loader/node_modules/postcss": {
-      "version": "7.0.39",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.39.tgz",
-      "integrity": "sha512-yioayjNbHn6z1/Bywyb2Y4s3yvDAeXGOyxqD+LnVOinq6Mdmd++SW2wUNVzavyyHxd6+DxzWGIuosg6P1Rj8uA==",
-      "license": "MIT",
-      "dependencies": {
-        "picocolors": "^0.2.1",
-        "source-map": "^0.6.1"
-      },
-      "engines": {
-        "node": ">=6.0.0"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/postcss/"
-      }
-    },
     "node_modules/resolve-url-loader/node_modules/source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",

my-app/package.json

@@ -26,6 +26,7 @@
     "i18next-xhr-backend": "^3.2.2",
     "material-ui-popup-state": "^5.1.0",
     "nth-check": "^2.1.1",
+    "postcss": "^8.5.2",
     "react": "^18.3.1",
     "react-bootstrap": "^2.10.2",
     "react-country-flag": "^3.1.0",