Bump postcss from 8.4.40 to 8.4.45

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.40 to 8.4.45.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.40...8.4.45)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

yarn.lock

@@ -4691,16 +4691,7 @@ postcss-value-parser@^4.1.0, postcss-value-parser@^4.2.0:
   resolved "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@8.4, postcss@^8.2.14, postcss@^8.2.15:
-  version "8.4.42"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.42.tgz#0954e9b075f961fb2790d6b807b1f24e7334dbea"
-  integrity sha512-hywKUQB9Ra4dR1mGhldy5Aj1X3MWDSIA1cEi+Uy0CjheLvP6Ual5RlwMCh8i/X121yEDLDIKBsrCQ8ba3FDMfQ==
-  dependencies:
-    nanoid "^3.3.7"
-    picocolors "^1.0.1"
-    source-map-js "^1.2.0"
-
-postcss@^8.4.44:
+postcss@8.4, postcss@^8.2.14, postcss@^8.2.15, postcss@^8.4.44:
   version "8.4.45"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.45.tgz#538d13d89a16ef71edbf75d895284ae06b79e603"
   integrity sha512-7KTLTdzdZZYscUc65XmjFiB73vBhBfbPztCYdUNvlaso9PrzjzcmjqBPR0lNGkcVlcO4BjiO5rK/qNz+XAen1Q==