Bump postcss from 8.4.25 to 8.4.26 (#3789)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.25 to 8.4.26.
- [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/8.4.25...8.4.26)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -110,7 +110,7 @@
     "lefthook": "^1.4.3",
     "mini-css-extract-plugin": "^2.7.6",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.4.25",
+    "postcss": "^8.4.26",
     "postcss-scss": "^4.0.6",
     "prettier": "^2.8.8",
     "rimraf": "^5.0.1",

yarn.lock

@@ -6608,10 +6608,10 @@ postcss@^7.0.36:
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.4.14, postcss@^8.4.19, postcss@^8.4.21, postcss@^8.4.24, postcss@^8.4.25:
-  version "8.4.25"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.25.tgz#4a133f5e379eda7f61e906c3b1aaa9b81292726f"
-  integrity sha512-7taJ/8t2av0Z+sQEvNzCkpDynl0tX3uJMCODi6nT3PfASC7dYCWV9aQ+uiCf+KBD4SEFcu+GvJdGdwzQ6OSjCw==
+postcss@^8.4.14, postcss@^8.4.19, postcss@^8.4.21, postcss@^8.4.24, postcss@^8.4.26:
+  version "8.4.26"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.26.tgz#1bc62ab19f8e1e5463d98cf74af39702a00a9e94"
+  integrity sha512-jrXHFF8iTloAenySjM/ob3gSj7pCu0Ji49hnjqzsgSRa50hkWCKD0HQ+gMNJkW38jBI68MpAAg7ZWwHwX8NMMw==
   dependencies:
     nanoid "^3.3.6"
     picocolors "^1.0.0"