Update dependency postcss to v8.4.43 (#31676)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

yarn.lock

@@ -14016,13 +14016,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8.2.15, postcss@npm:^8.4.24, postcss@npm:^8.4.41":
-  version: 8.4.41
-  resolution: "postcss@npm:8.4.41"
+  version: 8.4.43
+  resolution: "postcss@npm:8.4.43"
   dependencies:
     nanoid: "npm:^3.3.7"
     picocolors: "npm:^1.0.1"
     source-map-js: "npm:^1.2.0"
-  checksum: 10c0/c1828fc59e7ec1a3bf52b3a42f615dba53c67960ed82a81df6441b485fe43c20aba7f4e7c55425762fd99c594ecabbaaba8cf5b30fd79dfec5b52a9f63a2d690
+  checksum: 10c0/7cc9c6393ca00fcdca6fef8d119218df9357389b9fed30b6d4b463fc0e85159595a877f4ac0a2a565ea4c447cab1f424e527e68d8b7d40b8c94a6684663d45c5
   languageName: node
   linkType: hard