website: bump postcss from 8.4.33 to 8.4.34 in /website (#8430)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.33 to 8.4.34.
- [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/8.4.33...8.4.34)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

website/package-lock.json

@@ -18,7 +18,7 @@
                 "@mdx-js/react": "^3.0.0",
                 "clsx": "^2.1.0",
                 "disqus-react": "^1.1.5",
-                "postcss": "^8.4.33",
+                "postcss": "^8.4.34",
                 "prism-react-renderer": "^2.3.1",
                 "rapidoc": "^9.3.4",
                 "react": "^18.2.0",
@@ -13161,9 +13161,9 @@
             }
         },
         "node_modules/postcss": {
-            "version": "8.4.33",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.33.tgz",
-            "integrity": "sha512-Kkpbhhdjw2qQs2O2DGX+8m5OVqEcbB9HRBvuYM9pgrjEFUg30A9LmXNlTAUj4S9kgtGyrMbTzVjH7E+s5Re2yg==",
+            "version": "8.4.34",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.34.tgz",
+            "integrity": "sha512-4eLTO36woPSocqZ1zIrFD2K1v6wH7pY1uBh0JIM2KKfrVtGvPFiAku6aNOP0W1Wr9qwnaCsF0Z+CrVnryB2A8Q==",
             "funding": [
                 {
                     "type": "opencollective",

website/package.json

@@ -25,7 +25,7 @@
         "@mdx-js/react": "^3.0.0",
         "clsx": "^2.1.0",
         "disqus-react": "^1.1.5",
-        "postcss": "^8.4.33",
+        "postcss": "^8.4.34",
         "prism-react-renderer": "^2.3.1",
         "rapidoc": "^9.3.4",
         "react-before-after-slider-component": "^1.1.8",