Maintenance: Update dependency postcss to ^8.4.17

package.json

@@ -56,7 +56,7 @@
     "eslint-plugin-zammad": "file:.eslint-plugin-zammad",
     "jsdom": "^20.0.0",
     "mock-apollo-client": "^1.2.1",
-    "postcss": "^8.4.16",
+    "postcss": "^8.4.17",
     "postcss-html": "^1.5.0",
     "prettier": "2.7.1",
     "prettier-plugin-tailwindcss": "^0.1.13",

yarn.lock

@@ -6139,6 +6139,15 @@ postcss@^8.1.10, postcss@^8.4.0, postcss@^8.4.14, postcss@^8.4.16:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
+postcss@^8.4.17:
+  version "8.4.17"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.17.tgz#f87863ec7cd353f81f7ab2dec5d67d861bbb1be5"
+  integrity sha512-UNxNOLQydcOFi41yHNMcKRZ39NeXlr8AxGuZJsdub8vIb12fHzcq37DTU/QtbI6WLxNg2gF9Z+8qtRwTj1UI1Q==
+  dependencies:
+    nanoid "^3.3.4"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.2"
+
 posthtml-parser@^0.2.0, posthtml-parser@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/posthtml-parser/-/posthtml-parser-0.2.1.tgz#35d530de386740c2ba24ff2eb2faf39ccdf271dd"