Update dependency postcss to v8.4.26

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
     "js-yaml": "4.1.0",
     "next": "13.4.2",
     "next-mdx-remote": "4.4.1",
-    "postcss": "8.4.23",
+    "postcss": "8.4.26",
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "react-schemaorg": "2.0.0",

yarn.lock

@@ -10409,10 +10409,10 @@ [email protected]:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-[email protected].23, postcss@^8.4.23:
-  version "8.4.23"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.23.tgz#df0aee9ac7c5e53e1075c24a3613496f9e6552ab"
-  integrity sha512-bQ3qMcpF6A/YjR55xtoTr0jGOlnPOKAIMdOWiv0EIT6HVPEaJiJB4NLljSbiHoC2RX7DN5Uvjtpbg1NPdwv1oA==
+[email protected].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"
@@ -10427,6 +10427,15 @@ postcss@^8.4.19:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
+postcss@^8.4.23:
+  version "8.4.23"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.23.tgz#df0aee9ac7c5e53e1075c24a3613496f9e6552ab"
+  integrity sha512-bQ3qMcpF6A/YjR55xtoTr0jGOlnPOKAIMdOWiv0EIT6HVPEaJiJB4NLljSbiHoC2RX7DN5Uvjtpbg1NPdwv1oA==
+  dependencies:
+    nanoid "^3.3.6"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.2"
+
 prelude-ls@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"