build(deps): bump postcss from 8.2.10 to 8.2.12 in /website (#777)

Bumps [postcss](https://github.com/postcss/postcss) from 8.2.10 to 8.2.12.
- [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/8.2.10...8.2.12)

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

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

website/package-lock.json

@@ -11756,20 +11756,15 @@
             "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
         },
         "postcss": {
-            "version": "8.2.10",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.10.tgz",
-            "integrity": "sha512-b/h7CPV7QEdrqIxtAf2j31U5ef05uBDuvoXv6L51Q4rcS1jdlXAVKJv+atCFdUXYl9dyTHGyoMzIepwowRJjFw==",
+            "version": "8.2.12",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.12.tgz",
+            "integrity": "sha512-BJnGT5+0q2tzvs6oQfnY2NpEJ7rIXNfBnZtQOKCIsweeWXBXeDd5k31UgTdS3d/c02ouspufn37mTaHWkJyzMQ==",
             "requires": {
                 "colorette": "^1.2.2",
                 "nanoid": "^3.1.22",
                 "source-map": "^0.6.1"
             },
             "dependencies": {
-                "colorette": {
-                    "version": "1.2.2",
-                    "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
-                    "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w=="
-                },
                 "source-map": {
                     "version": "0.6.1",
                     "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",

website/package.json

@@ -14,7 +14,7 @@
         "@docusaurus/preset-classic": "2.0.0-alpha.73",
         "@mdx-js/react": "^1.6.22",
         "clsx": "^1.1.1",
-        "postcss": "^8.2.10",
+        "postcss": "^8.2.12",
         "rapidoc": "^9.0.0",
         "react": "^17.0.2",
         "react-before-after-slider": "^1.0.4",