Bump postcss from 8.5.1 to 8.5.3

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.1 to 8.5.3.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.5.1...8.5.3)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -103,7 +103,7 @@
         "i18next-parser": "^9.1.0",
         "istanbul": "^0.4.5",
         "istanbul-lib-coverage": "^3.2.2",
-        "postcss": "^8.5.1",
+        "postcss": "^8.5.3",
         "react-hot-loader": "^4.13.1",
         "sass": "^1.83.4",
         "stylelint": "^16.14.1",
@@ -10162,9 +10162,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.1",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.1.tgz",
-      "integrity": "sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==",
+      "version": "8.5.3",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.3.tgz",
+      "integrity": "sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==",
       "dev": true,
       "funding": [
         {

package.json

@@ -134,7 +134,7 @@
     "i18next-parser": "^9.1.0",
     "istanbul": "^0.4.5",
     "istanbul-lib-coverage": "^3.2.2",
-    "postcss": "^8.5.1",
+    "postcss": "^8.5.3",
     "react-hot-loader": "^4.13.1",
     "sass": "^1.83.4",
     "stylelint": "^16.14.1",