chore(deps): update dependency postcss to v8.4.4 (#1100)

Reviewed-on: vikunja/frontend#1100
Co-authored-by: renovate <renovatebot@kolaente.de>
Co-committed-by: renovate <renovatebot@kolaente.de>

package.json

@@ -76,7 +76,7 @@
     "faker": "5.5.3",
     "jest": "27.3.1",
     "netlify-cli": "8.0.3",
-    "postcss": "8.4.3",
+    "postcss": "8.4.4",
     "postcss-preset-env": "7.0.1",
     "rollup": "2.60.1",
     "rollup-plugin-visualizer": "5.5.2",

yarn.lock

@@ -11501,10 +11501,10 @@ postcss-values-parser@^2.0.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss@8.4.3:
-  version "8.4.3"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.3.tgz#adc55db82e868dea54e9e0e7ecdb0368b5adf65a"
-  integrity sha512-d5gVKo8ekrircqHOQNvSQk8dhGOuAfu1iP6dzfAlnAmcu7EBJ9cFuZG8B1KZK362aaEO3L1H+WM3ny9xQ29tFw==
+postcss@8.4.4:
+  version "8.4.4"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.4.tgz#d53d4ec6a75fd62557a66bb41978bf47ff0c2869"
+  integrity sha512-joU6fBsN6EIer28Lj6GDFoC/5yOZzLCfn0zHAn/MYXI7aPt4m4hK5KC5ovEZXy+lnCjmYIbQWngvju2ddyEr8Q==
   dependencies:
     nanoid "^3.1.30"
     picocolors "^1.0.0"