Bump postcss from 8.4.21 to 8.4.22

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.21 to 8.4.22.
- [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/8.4.21...8.4.22)

---
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

@@ -22,7 +22,7 @@
         "eslint-config-standard-with-typescript": "^34.0.1",
         "eslint-plugin-svelte3": "^4.0.0",
         "flourite": "^1.2.3",
-        "postcss": "^8.4.21",
+        "postcss": "^8.4.22",
         "sass": "^1.61.0",
         "svelte": "^3.58.0",
         "svelte-check": "^3.2.0",
@@ -3428,9 +3428,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.21",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
-      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
+      "version": "8.4.22",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.22.tgz",
+      "integrity": "sha512-XseknLAfRHzVWjCEtdviapiBtfLdgyzExD50Rg2ePaucEesyh8Wv4VPdW0nbyDa1ydbrAxV19jvMT4+LFmcNUA==",
       "dev": true,
       "funding": [
         {
@@ -3440,10 +3440,14 @@
         {
           "type": "tidelift",
           "url": "https://tidelift.com/funding/github/npm/postcss"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
         }
       ],
       "dependencies": {
-        "nanoid": "^3.3.4",
+        "nanoid": "^3.3.6",
         "picocolors": "^1.0.0",
         "source-map-js": "^1.0.2"
       },

package.json

@@ -28,7 +28,7 @@
     "eslint-config-standard-with-typescript": "^34.0.1",
     "eslint-plugin-svelte3": "^4.0.0",
     "flourite": "^1.2.3",
-    "postcss": "^8.4.21",
+    "postcss": "^8.4.22",
     "sass": "^1.61.0",
     "svelte": "^3.58.0",
     "svelte-check": "^3.2.0",