fix(deps): update dependency postcss to ^8.5.15 (#5940)

Co-authored-by: homarr-renovate[bot] <158783068+homarr-renovate[bot]@users.noreply.github.com>

apps/docs/package.json

@@ -37,7 +37,7 @@
     "dayjs": "catalog:",
     "docusaurus-plugin-image-zoom": "^3.0.1",
     "leader-line-new": "^1.1.9",
-    "postcss": "^8.5.10",
+    "postcss": "^8.5.15",
     "posthog-docusaurus": "^2.0.5",
     "prism-react-renderer": "^2.4.1",
     "random-word-slugs": "^0.1.7",

pnpm-lock.yaml

@@ -725,7 +725,7 @@ importers:
         specifier: ^1.1.9
         version: 1.1.9
       postcss:
-        specifier: ^8.5.10
+        specifier: ^8.5.15
         version: 8.5.15
       posthog-docusaurus:
         specifier: ^2.0.5
@@ -14447,6 +14447,7 @@ packages:
   tsconfck@3.1.3:
     resolution: {integrity: sha512-ulNZP1SVpRDesxeMLON/LtWM8HIgAJEIVpVVhBM6gsmvQ8+Rh+ZG7FWGvHh7Ah3pRABwVJWklWCr/BTZSv0xnQ==}
     engines: {node: ^18 || >=20}
+    deprecated: unmaintained
     hasBin: true
     peerDependencies:
       typescript: ^5.0.0